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https://www.duolingo.com/auxbuss

Lessons "degrading" far too quickly

auxbuss
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Hi,

I'm just over 3/4 of the way through the Spanish tree. Until the recent changes, I've loved everything about Duolingo. But now it's becoming a grind. I've started to dread visiting :-(

After a two week holiday I returned to 18 "degraded" lessons. Fair enough. So, over three or four days I caught up with those and started a couple of new lessons \o/ Since then, two or three weeks ago, every day there have been three or four "degraded" lessons. If I miss a day, there are more.

Over the past weekend, I caught up again. I'm really anxious to get on with new lessons. I've only managed to do a tiny number in the past three weeks.

Today I look at my tree and there are eleven "degraded" lessons. Eleven! I was all fired up to learn new things today and now I know it will take me until about Thursday to catch up. Probably by then there will be even more degraded lessons.

So, sadly, I think I will probably give up on Duolingo. It's be a fantastic journey. I've learned so much and I've loved the time I have spent studying, I understand that lessons need to be refreshed, and I love that they include additional material learned since the lessons were originally passed. But the rate that the lessons need to be repeated has sucked the enjoyment I was having and I think there are better ways that I can progress my Spanish.

Best, Marc

4 years ago

148 Comments


https://www.duolingo.com/rspreng

Suggestion: Don't fret about keeping everything gold.

4 years ago

https://www.duolingo.com/auxbuss
auxbuss
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Fair enough. That's certainly one approach. But then why degrade the lessons at all? What is the purpose of degrading the lessons if it serves no purpose?

4 years ago

https://www.duolingo.com/rmaQYX
rmaQYX
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I think the answer to your question is simple. Degrading lessons makes you do the lessons over again and so you are exposed to ads in the app (which is one way of making money for duolingo) or it makes you buy lingots in order to be back on full health again (because the more you have to repeat lessons, the more likely you are to make a mistake and lose health).

This is how it worked for me:

I started with Spanish with no prior knowledge. For some reason, I have no problem to keep the tree all golden. I was not exposed to any ads.

I then did Norwegian (with prior knowledge, but started at zero). What a difference.. even the most simple typos in English were counted as wrong. I had the tree all golden, but the lessons keep degrading like crazy.. it is simply not possible to keep the lessons full, even when not making mistakes. And this all started with introducing the ads to the app and the health...

After that I started French, which I had used for more than 6 years at work. So I did the test, but I still hardly advance. Lessons keep degrading, even when not making any mistakes. I don't advance at all, even though I would say I'm fluent in French.

Dutch... well... I don't care anymore...

So the degrading.. I think it is different for each language and for reasons beyond our knowledge. I must say I am better at Norwegian now than I am at Spanish, even though it's the Spanish tree that I'm keeping all full for some miraculous reason. However, the creators of the Norwegian course were so damn picky when it comes to mistakes... it is ridiculous. So basically, I think the degrading has nothing to do with how well you know and apply a language. It has more to do with being exposed to ads so that duolingo can start making money from the free language courses they are offering. So, even though learning can become quite frustrating with seemingly not making any progres, I take out of the lessons what I can and I am certainly no fan of duolingo no more.

1 year ago

https://www.duolingo.com/pleiadian_

To promote users that only use Duolingo as a language learning tool to practice more often and for longer periods of time. It takes years of studying 2-3 hours a day to become fluent in a language.

4 years ago

https://www.duolingo.com/thomasw1900

Exactly, this right here...people want to complete it and then walk away. However if you don't use it you lose it, and daily practice is an absolute must for any level of mastery.

4 years ago

https://www.duolingo.com/traunk

Sorry for posting on such an old topic. But I am having the same issue as OP.

Yes I want to complete DL's Spanish tree and walk away. By the time that I get to the bottom of that tree, I should be able to talk to natives. Maybe crappily, but talking.

DL is just one tool of many that I am using to learn Spanish. I maybe, wrongly assume, that this is the case for everyone. In theory I should be getting Spanish practice and exposure from other places.

With that in mind they should maybe give me 3 degradation options depending on if I am DL only, mostly to half DL, or DL is less than half of my routine.

I am competitive and want my medallions to be gold too, but it makes me feel crappy if I have to go back and say "the spider drinks milk."

3 years ago

https://www.duolingo.com/Aliceturn7
Aliceturn7
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Yes but I have taught (been an actual Teacher in schools) in the past.

The challenge is to help people learn and keep them interested. But if they get too frustrated, they will quit.

When they quit, Duolingo's popularity dies and then Duolingo eventually is just a nice memory.

1 year ago

https://www.duolingo.com/Aliceturn7
Aliceturn7
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Yes

1 year ago

https://www.duolingo.com/SergeantFTC

To mark them as needing more work.

4 years ago

https://www.duolingo.com/pablobaytart
pablobaytart
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Yes. All that does not glister is not gold.

4 years ago

https://www.duolingo.com/Luis
LuisPlus
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This should now be fixed. There was a bug causing the skills to decay too fast. Let us know if you still experience this.

4 years ago

https://www.duolingo.com/AstroPanda_

Sorry for being a little late to the party, but In my german tree, I usually practice every day, and just yesterday I had 6 lessons that were slightly "decayed" and then I returned today, to find that I had 9 Decayed today, which I found odd that so many had decayed in one day even when I had practiced and met my experience quota for the previous day, I thought that the lessens only decayed when you didnt meet your experience quota for the previous day(s) :/

3 years ago

https://www.duolingo.com/auxbuss
auxbuss
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Thanks for the feedback, Luis.

4 years ago

https://www.duolingo.com/DaveBatt

Still happening to me in norwegian. Degrade is set far too high on recent achievements. It feels impossible to keep any of them maxed, very discouraging.

Also strengthen starts me all the way back at the basics, which are not challenging, just a grind. Should be far more weighted to strengthen recently degraded skills, a good mix of new and old skills.

3 years ago

https://www.duolingo.com/duolingoparis0

Me too it would reset every time I complete another skill

2 years ago

https://www.duolingo.com/TomPryce

So for German, I am having to strengthen around 7-12 skills per day, and am also finding that it's a bit of a grind.

2 years ago

https://www.duolingo.com/TomPryce

To add some more context: I'm on the 20th day of a streak, achieving around 100-200 XP points a day via timed practice; and yet, I have 15 (!) skills which have degraded since practicing yesterday.

2 years ago

https://www.duolingo.com/Schemilix

Yeah. I'd not mind but it keeps degrading things that I actually do know off by heart, so it's not really being very helpful. I'm wasting my time going over things I learned six years ago (!!) that have long since become 'fluent' to me... and as a result I run out of steam before I start going over the newer material that I actually do need to practice. Trust me, Duolingo, I didn't forget how to tell people what my name is, haha. I guess your best option is to have a look at what's degraded and just skip over what you think is still fresh in your mind, just go back over ones that actually feel rusty.

2 years ago

https://www.duolingo.com/BradyWest2
BradyWest2
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This is exactly my problem, especially the part about making me redo things I mastered looooong ago. Basics 1? Why?

1 year ago

https://www.duolingo.com/rmaQYX
rmaQYX
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I agree, degrade in Norwegian is really set far too high. I'm through with Spanish, which I had not spoken before. With Norwegian I know the basics, but it's very hard to get to higher levels.

1 year ago

https://www.duolingo.com/yeahitshimagain

I am definitely. 12 needed to strengthen in ONE DAY from a GOLD TREE only HALF THROUGH!

2 years ago

https://www.duolingo.com/CynthiaWestfall
CynthiaWestfall
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My German is degrading too quickly.

1 year ago

https://www.duolingo.com/dluser123
dluser123
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My Christmas skill seems to be decaying frequently and it is the only skill that does it! I do "Lesson practice" frequently.

4 years ago

https://www.duolingo.com/knifey

I think I am experiencing this... I have ten modules left but I am struggling to get to them as I have been spending hours catching up on decaying skills. This problem is what made me google this problem and arrive at this post. Please help.

3 years ago

https://www.duolingo.com/gtremis
gtremis
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Following. Same issue.

1 year ago

https://www.duolingo.com/Mehul565942
Mehul565942
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To be honest, decaying is helping me get more fluent. But now it's hardly decaying for me even I have completed all modules but I am still just at 34% fluency level which is justified as I am still not fully fluent in understanding, let alone speaking. So according to me the more you take time and increase the decay the morning fluent we become.

1 year ago

https://www.duolingo.com/BelaAlmeida

I decided to go back on duo lingo after getting frustrated with the degrading and quitting last year. I read that the degrading thing was fixed but it is still pretty bad. The household and numbers degrades twice everyday.

3 years ago

https://www.duolingo.com/Stellapoxon190
Stellapoxon190
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This has been happening to my "English for Spanish Speakers" tree. I sent in a bug report but nothing changed. Thanks!

3 years ago

https://www.duolingo.com/Loviken
Loviken
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I'm learning french and I have done two levels a day the last 67 days. I have done at least one old level each day and I have 32 out of 51 levels decayed. It's absolutely impossible to make all of them gold. Even more, I have done the last levels I've finished for the last week or so since they decay again every day.

2 years ago

https://www.duolingo.com/Stenionet
Stenionet
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I'm studying English and portuguese. In portuguese, the lessons degrading are very agressive. I am making more then 100 points per day, but It's very hard to keep them full.

With English course, the degrading is not so bad.

2 years ago

https://www.duolingo.com/eibhinn
eibhinn
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I am definitely experiencing this. Last night, my tree was entirely gold. This morning I awoke to find a lesson I completed yesterday was degraded. I strengthened it, and now, around 8 hours later, the same lesson is degraded again already. I'm generally using Duolingo twice a day and I can barely keep up with how quickly the lessons degrade.

2 years ago

https://www.duolingo.com/eibhinn
eibhinn
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And, again, less than 24 hours later, the lesson is degraded again. I will now have finished/strengthened this lesson four times in a 48 hour period. That seems a bit much.

2 years ago

https://www.duolingo.com/Kotik_Andreev

I still experience this. This is too fast.

2 years ago

https://www.duolingo.com/Kotik_Andreev

Really, about 200 points a day is too much.

2 years ago

https://www.duolingo.com/LeEoZa

when will you solve it? annoyed

2 years ago

https://www.duolingo.com/yeahitshimagain

I've been having this happen once in a while. Every two weeks, about 20 lessons suddenly decay, and I have no idea why.

2 years ago

https://www.duolingo.com/lobachevsky.
lobachevsky.Plus
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I started to experience this recently in English (from Czech) and Italian (from English and from Spanish). On a normal day I have six skills decaying in every of those three, but in Czech it sometimes goes up as high as 17. This is a bit of a nuissance.

2 years ago

https://www.duolingo.com/exeisen
exeisen
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My Spanish tree is degrading far too quickly. I strengthen a skill up to gold and then LESS than 24 hours later it is back down. I want to get all of the lessons gold, but it's annoying to have to keep practicing the baby lessons before I can advance.

2 years ago

https://www.duolingo.com/wazzie
wazzie
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I find the easiest way to keep the tree from degrading quickly is doing the "strengthen weakest skills" instead of individual lessons.
My entire tree was no longer gold, and only doing a few strength skills a day (sometimes just 1), and I've nearly gotten it back to gold with little degrading happening.

2 years ago

https://www.duolingo.com/exeisen
exeisen
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I do do the "strengthen weakest skills," and they still degrade like that. What's more, Strengthen Weakest Skills seems to always kick you back to the EASIEST weak skill, which makes it kind of boring. I wish there was more focus on mixing skills and vocab that you have learned.

2 years ago

https://www.duolingo.com/lobachevsky.
lobachevsky.Plus
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Yes, but this cannot be the solution to skills degrading in less than ten hours and an average degradation of ten or more skills per day.

2 years ago

https://www.duolingo.com/wazzie
wazzie
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I guess that's my point though... I'm not seeing 10 skills decay in 10 hours. As I've been going back through my tree (after a few months "break" earning 1XP a day - where everything did degrade), I haven't seen that problem. I usually do 1-5 exercises a day, and at most have 2 skills decay a day (usually none, occasionally one).
I never do individual skills (unless I am going back through a lesson, looking for a particular sentence).
I'm not sure what I am doing differently from you, but I am just not seeing the degradation that tou are.

2 years ago

https://www.duolingo.com/lobachevsky.
lobachevsky.Plus
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@wazzie: Well, again. Good for you. But this is, at best, a workaround. Worst of all, a workaround, which is not guaranteed to work. Today, twelve hours after last having all my trees on gold (as far as each of them is), I open them to find seven lessons in both my Italian trees degraded. Doing "strengthen skills" three times on each of them got in total one back to gold.

As I said, your solution may work for you, but it is not a solution to the general problem of skills degrading to quickly and in too large numbers.

2 years ago

https://www.duolingo.com/lobachevsky.
lobachevsky.Plus
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Well, good for you, but this bug apparently does not affect everybody. I do individual skills to get them back to gold and normally do "strengthen skills" to hold everything where it is. Unfortunately this does not work with all my courses. Today "Infinitives 2" in the Italian course (Spanish version) degraded and I put it back to gold, only to have it degrade again six hours later. After I once sat down an evening and did 18 degraded lessons in English (Czech version), they were fine the next morning, I did "strengthen skills" three times only to find six degraded skills a few hours later. This is a bug and quite plainly, annoying.

2 years ago

https://www.duolingo.com/wazzie
wazzie
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@Lobachevsky
I never do the Individual skills, and that may be where we are seeing different results. My suggestion in to ignore skills that degrade, and continue just working global strengthen skills practices, and see if that improves your issue.

2 years ago

https://www.duolingo.com/mexfield

This is still happening. Any chance of a fix? Thanks

1 year ago

https://www.duolingo.com/Mostlaszlo

still happening to me in the polish course.

1 year ago

https://www.duolingo.com/gtremis
gtremis
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I'm experiencing the same issue with Spanish and French. Review is excellent, but not when it demotivates one from progressing as it consumes almost all, if not all of one's study time.

1 year ago

https://www.duolingo.com/Pakislav
Pakislav
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The issue persists without change. The "challenge" setting is 50 exp max. It would take 300 exp to keep everything fresh AND make any progress with new skills.

If there was a better free alternative I would not be here.

1 year ago

https://www.duolingo.com/Snaveah

I have to catch up on about 10 'degraded' lessons each day before I can learn a new lesson. I agree, it is sucking the enjoyment out of duolingo. I didn't mind catching up on the 2-3 lessons before learning new material but 10 per day is just too much. As a university student, I don't quite have the time to re-do these lessons that I already know and understand and then attempt to learn new material...not to mention my motivation and energy is just about depleted after the 10 make up sessions.

1 year ago

https://www.duolingo.com/NormaRiver644171

German lesson are degrading way too fast. I practice every day and try to do at least 1 new set of lessons, but the gold keeps degrading at an alarming rate.

1 year ago

https://www.duolingo.com/violanette18

It's still happening to me! I literally practiced 10 skills on the French tree at 8 am yesterday, but when I came back at 3, 4 of them were degraded. What the hell Duolingo?

1 year ago

https://www.duolingo.com/MessyJessie103

Still happening to me too, in all the languages. I guess it is the algorithm, but it's a bit time-consuming when you have to keep them all perfect for your classes. There are other ways to review, after all ...

1 year ago

https://www.duolingo.com/WilliamHud8

So when will this be fixed? I spend 4 to 5 hours a day on practice come back at bed time to see some of the same activities decayed from gold! really?

1 year ago

https://www.duolingo.com/jillBrierl

I am having this same problem in 2017

1 year ago

https://www.duolingo.com/Leydepey

Hey Luis! I did a lot of work yesterday and now a lot of lessons have disappeared overnight (28 to be exact). You know what I could do about it? It's no fun this way...

1 year ago

https://www.duolingo.com/BradyWest2
BradyWest2
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I realize this is three years after this was posted.....but, here I am three years later, and the problem still occurs. It only takes a matter of days for my entire tree to lose its gold status, and Strengthen Skills does not mix the skills anymore, so it makes me do them almost one at a time instead. It's incredibly slow to strengthen all the skills on my tree and discourages me from learning new ones.

1 year ago

https://www.duolingo.com/Creacher5
Creacher5Plus
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Luis - Not Fixed. I loose 15-18 skills per day in German.

9 months ago

https://www.duolingo.com/deanem
deanem
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I agree the skill decay rate is set far, far too fast - for me. Duolingo's decay rate appears to assume I learn languages by using Duolingo and nothing else. But, I also read the paper, read books, watch movies, talk to native speakers, use memrise and other websites, write email and essays, etc.

Is it really that hard to implement a customizable decay rate for every user? As a programmer, I think not.

4 years ago

https://www.duolingo.com/auxbuss
auxbuss
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This nails it. I agree. A while back I asked if we could set the rate ourselves, precisely for the reasons you give. I don't mind the decay, but I left duolingo because of it. I'm coming back now, a little, because duo really is terrific. But if the decay rate is still very fast, then I will disappear again, to use other services, until I feel inclined to try again.

I don't think this is the behaviour that duo is aiming for, but sadly they have a very narrow view of behaviour in my opinion.

4 years ago

https://www.duolingo.com/jbm345
jbm345
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I do think that would be a very, very good option. We get to set goal level, why not our decay level? I gave you a lingot and an upvote for that.

4 years ago

https://www.duolingo.com/pont
pont
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It does seem that something has changed radically since yesterday -- usually I need about 2 practices per language per day to keep everything gold, but today I've suddenly lost 25 gold skills in Italian alone!

4 years ago

https://www.duolingo.com/3013volts
3013volts
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I know this is an old thread, but the problem is still ongoing. Hopefully someone from Duolingo is still watching this thread...

Early this morning I had a completely golden tree. This evening it has seventeen degraded lessons. This is much too fast! 17 degraded lessons in one day is over an hour's work, or more, to keep the tree fresh! That leaves no time for article translations and practicing skills using other online tools.

My tree is complete, so I want to come back and do practice sessions to keep it fresh. But at this degradation rate I never get around to practicing the harder skills since it always starts practice sessions based on the first degraded lesson from the top of the tree. I am tired of re-practicing basic skills that I know by heart while never getting the harder skills offered by the practice sessions.

To make the "Practice Skills" tool useful again, a fully golden tree shouldn't degrade more than 4-6 units per day. And practice sessions should be based on whichever units are the most out-of-practice, NOT the first degraded lesson on the tree.

This needs to be fixed to get Duolingo back to being useful to maintain a language after the tree is complete.

2 years ago

https://www.duolingo.com/auxbuss
auxbuss
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In the hour since I posted the above message, my "degraded" lessons have gone from 11 to 20.

Surely this is a bug.

4 years ago

https://www.duolingo.com/Melita2

What happens if you just let the previous lessons degrade, and just do new lessons? Thanks.

4 years ago

https://www.duolingo.com/wazzie
wazzie
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Nothing happens, your tree just doesn't stay golden. You can still move on.

4 years ago

https://www.duolingo.com/0liwia
0liwia
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... Except that if everything decays too fast, it won't focus on your real weaknesses, only on randomly selected words. So you'll get bored with the practice feature altogether, you'll stop practicing and there is no point at all keeping on learning stuff if you never review it.

4 years ago

https://www.duolingo.com/Pungyeon

I have the exact same problem, I'm a bit shocked this hasn't gotten any more attention. I used hours yesterday making sure all my lessons were gold (over 200 points), and today 15 lessons were degraded. I haven't been overly active recently. I will post again, once I have been active for a week, to see if it improves the degrading.

4 years ago

https://www.duolingo.com/auxbuss
auxbuss
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Okay, well perhaps the Duo team don't know how bad the problem is. I'd really love for this to be fixed. I feel pretty sad right now giving up on it. I have 955 points in November, so I've not been idle on Duo!

4 years ago

https://www.duolingo.com/steevmak
steevmak
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They should give the option of turning off the degradation completely on skills which the user chooses.

I know what lessons I'm bad at, I should be left to choose which ones to review. It's quite frankly getting annoying and I am making almost no progress on learning new words.

1 year ago

https://www.duolingo.com/Stenionet
Stenionet
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I totally agree with you.

1 year ago

https://www.duolingo.com/mollymilstone

This is ridiculous. I'm gonna have to do 20 practice sessions to catch up..

4 years ago

https://www.duolingo.com/Tancrisism
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Part of the problem with the degrading lessons is that it makes it so that when you want to simply "practice skills", most of which are skills you recently learned, you end up practicing specific skills that you are already familiar with, like animals or adjectives 1 - each of these could be, and often are, incorporated into later lessons, so you are practicing them anyway.

If the "practice skills" could be more of a conglomeration of earlier lessons with later lessons, and they replenish a variety of degraded lessons, it would be much more useful. As of now I unfortunately simply avoid that button because I'm tired of talking about how the rabbit jumps when I am onto future tense and more complicated sentence structure.

1 year ago

https://www.duolingo.com/zherz
zherz
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Hate to reup this, but when I woke up this morning 31 skills had degraded overnight, several for multiple bars. I actually like the 3-5 pace of degrading skills (keeps me reviewing frequently), but this seems like a bug the developers should know about.

3 years ago

https://www.duolingo.com/hideki
hideki
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Hi zherz, we made a change related to skill strength yesterday. Here's a detailed announcement: https://www.duolingo.com/comment/9051575

We are sorry for any inconvenience caused.

3 years ago

https://www.duolingo.com/zherz
zherz
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Thanks! I hadn't realized there was actually a change in the algorithm.

That also explains why they're not going up super quickly - this might actually take some time :-)

3 years ago

https://www.duolingo.com/KeltiaB

It's 2 years after your message and Duolingo is still degrading at a nonsensical, ridiculous pace. I used to be fluent in French and simply need to "tune up" the more complicated areas. I'm tired of having to go over and over the most basic subjects which I know well and answer correctly every time. I'm about to say "Au revoir" to Duolingo because of this annoyance.

9 months ago

https://www.duolingo.com/ellen_ofarrell
ellen_ofarrell
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It would be really useful if after a certain point (either set by the user or automatically) that words are deemed to be fully known and stop decaying. Or that there is a minimum decay rate slower than the existing one. I am a very regular user and there is one tree I have been keeping gold very consistently for a couple of years now - the decay rate on that one has slowed to a manageable enough level but I still get some of the very early skills popping up now and again. Maybe one of the perks of reaching level 25 could be the option of freezing your tree gold or even certain parts of it?

1 year ago

https://www.duolingo.com/TrevG_123
TrevG_123
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I usually hate posting on old threads but since this is still a problem three years later, I felt I had to. Duo, please make everything degrade just a little bit slower! The past couple of weeks, I've been needing to put about two hours a day into keeping my German tree all gold, for a language I've been studying the past eight years in school! I'd really rather be able to go back and review some topics that I personally feel weak on (which is why I started using the app in the first place,) not what it's been the longest since I've last practiced. Duolingo: please either make everything degrade slower, or else give us the option to not have anything degrade at all!

1 year ago

https://www.duolingo.com/ironyisoverrated

Well, it could be worse. I finished my morning session with a totally golden tree (about 70% through the Portuguese materials). This evening I returned to do a translation or a couple additional modules. I found SEVENTEEN degraded modules!

4 years ago

https://www.duolingo.com/auxbuss
auxbuss
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It could be worse. Yes, this is a first world problem. I'm pretty sure this isn't what Luis and he Duo team intend. Hopefully, we'll hear back from them.

4 years ago

https://www.duolingo.com/Szab
Szab
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I finished German tree a few weeks ago. I always keep gold all the boxes. At evening: all lesson gold. Early morning: there are 20 lessons "degrading" But it is no problem. I do it again and again. It is because I don't know this skill yet.

Think about it: your BASIC1 lesson never degrading! Why? Because you did it many times and you know it very well! (And if it degrading you can do it very fast again, because you know basic1 skills very well.)

4 years ago

https://www.duolingo.com/Lepidolite1

Except that the Basic 1 lesson degrades just as frequently as the others. It's far too aggressive even considering the goal of teaching us. As stated elsewhere in this thread, there are instances of first-level skills degrading immediately after completion multiple times in succession. The algorithm doesn't favor skills that you legitimately need to practice; it selects what can only be interpreted as entirely random lessons to degrade, and then degrades them beyond any reasonable degree of aggression.

1 year ago

https://www.duolingo.com/Okxyd

Agree with that, the first unit is the one degrading the fastest, which is pretty ridiculous after the 30th time doing it.

1 year ago

https://www.duolingo.com/pcampisi
pcampisi
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I agree with the degrading too quickly, but I'm happy to have the feature in general. The time just needs to be increased.

If it helps, easy lessons which I already know well, I can knock out in just a few mins, it's the harder ones that take longer, and those are also the ones I need to become more proficient in the language anyway.

I tend to focus on advancing first, and then when I get tired of learning new words, I then go back and clear up a few "easier" lessons which have degraded. That also reinvigorates me, a little.

4 years ago

https://www.duolingo.com/Wonderboy6
Wonderboy6
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Can become bothersome but hammering them in is essential for long term recall

4 years ago

https://www.duolingo.com/BelaAlmeida

I understand, as people are saying, it's important to go over the past lessons to refresh yourself but the problem is I'm not learning anything new. The feelings and verbs past imperfect degrade within hours of me strengthening them. I can't just keep moving on in my lessons as past lessons keep degrading.

3 years ago

https://www.duolingo.com/sarahtinsley

I completely agree. I think the software is fantastic, but even when I'm doing something every day it still degrades about 3 or 4 lessons per day, so it is physically impossible to keep on top of it. I know everything doesn't have to be gold, but in order to keep motivation high it shouldn't go down too far. In the last six months I haven't managed to get onto any new sections, because all I do is go back over and over the old ones. Yes, I'm aware that this helps to solidify what I've learned, but it also gets boring. Would love to see a change here, considering how many comments it's received.

3 years ago

https://www.duolingo.com/daniel.rol1

I had over 200 xp for 2 straight days and after about 24 hours of not going on the site, I had 10 topics needing refreshing.

2 years ago

https://www.duolingo.com/LeEoZa

I agree. just because of this i feel giving up on this software now! i cant go further as i have to fill the bars otherwise everyday it goes down a little more, along with new degraded lessons

2 years ago

https://www.duolingo.com/wazzie
wazzie
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You can progress as slowly or as quickly as you like. Just don't worry about keeping every golden. You know you best, and if you are comfortable with the material, move on.

2 years ago

https://www.duolingo.com/billdog123

I'm having the same issue with my German tree. I've spent a lot of time trying to get my tree fully gold but the lessons age far too quickly. I've been strengthening levels more or less every day and today when I arrived home at least 8 levels that were at full strength this morning had lost a strength bar. I appreciate the need to refresh material but the ageing rate seems excessive.

2 years ago

https://www.duolingo.com/thekandigirl12

Sorry for posting on an old thread. I have this same issue, this morning I was completely caught up, 5 hours later I have 12 degraded lessons ;-; I can understand 1-2 a day but 12!?! T_T I cant do this D:

2 years ago

https://www.duolingo.com/Usagiboy7
Usagiboy7
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The lessons won't ever stop degrading, even after you finish the tree and get the owl trophy, even after you reach level 25. Degrading is an algorithm's way of trying to direct your attention to words you might not have come across in a while, or that are new and could use more practice to help it go into your long term memory. If you feel solid and no need to refresh those words for your memory's sake, ignore them. Newest words degrade the fastest. The more you come across them, the more slowly they will begin to degrade.

In addition, the previous problem was that things were degrading much too slowly. Users were concerned that they weren't getting the notice they needed, and they were making it too far down the tree and then becoming lost and overwhelmed. So, DL sped up the degrading process. So, it really is only for our benefit, to heed or ignore as we see fit.

4 years ago

https://www.duolingo.com/Usagiboy7
Usagiboy7
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PS at the moment, it is possible that an algorithm has also gone off. I'm seeing several people reporting a sudden change in their decay rates. DL is always testing new things out, trying to improve. Decay rates included. It helps to keep in mind that if there is something new happening, and you absolutely can't stand it, chances are it could change in a month. ^_^

4 years ago

https://www.duolingo.com/0liwia
0liwia
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Although it's normal that a skill won't get "stuck" golden just because you finished the tree, I still think the review time should be calculated based on your personal history with this word. If you get it right every single time it appears, the decay pace should be diminished, not just put at full strength again with no change in the decay algorithm. I use other tools like memrise and Babbel, and once I get it right a few times, it stays at full strength longer, which doesn't seem to be the case here. Some words decay no matter how often you get them right, and some others show up in practice very scarcely.

4 years ago

https://www.duolingo.com/Usagiboy7
Usagiboy7
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I know they've been working very hard on the matter and creating test groups with the user input. I'm sure wherever all of the hard work ends up, we'll have an efficient model that is ace at boosting language acquisition. :D

I too have used some off site tools. Makes a lot of sense to me not to let what's already available go to waste. ^_^

4 years ago

https://www.duolingo.com/jbm345
jbm345
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I am new to Duolingo, and extremely excited about the program. However, I have had the same frustration and have had to fight the same temptation to just give it up, because the bars keep fading so fast. I finally just decided it wasn't worth it, and went on to try and learn a new lesson. Then some of the bars faded even more and it took me a whole evening to get that caught up.

4 years ago

https://www.duolingo.com/MartinConcepcion

Not soooo fast guys give it a brake hold your horses a little bit.

2 years ago

https://www.duolingo.com/chololennon

Still happening, it is really really frustrating Duolingo. The decay rate is expulsing people from your platform :-(

2 years ago

https://www.duolingo.com/karintia78

It's still happens! I am feeling frustrated too!

2 years ago

https://www.duolingo.com/violanette18

This is happening to me too. It's awful.

1 year ago

https://www.duolingo.com/suswaldhall

I'm doing Italian - going to give up and learn other ways. It's too disheartening having to go back to stuff I know.

1 year ago

https://www.duolingo.com/lyviamorgan

Is this a record? I am on Level 15 Italian, do an hour every day, have completed 49 lessons, and keep up-to-date on 'degraded' ones. Today I woke to find 7 'degraded' and worked my way through 6 of them. Then, to my horror, 39 degraded all at once, including the very first lessons!! Can Duolingo do something about this? 2 hours later - this was solved after I reported it - everything golden again - thank you, Duolingo.

1 year ago

https://www.duolingo.com/Floria327
Floria327
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Something similar here. Today, massive decay of skills in all my trees, but (ridiculously) the greatest decay was in the tree I work the most (whereas another one that I have completed and pretty much left untouched had only half a dozen of skills that decayed). I check my list of italian words and one of the words with the lowest strength is "รจ". Seriously?!

1 year ago

https://www.duolingo.com/ellen_ofarrell
ellen_ofarrell
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That may be a record! I can only say it does finally get better with time - I had one tree in particular that used to degrade much faster than the rest and even that one has finally settled down. My Italian from English tree has been fully gold for over a year now and tends to degrade at about one lesson a day, some days 2, some days none but I don't think it's been more than 3 a day for months. So stick with it! Also try to avoid doing too much new material at the same time as those lessons will in future all degrade at exactly the same time giving you a major headache.

1 year ago

https://www.duolingo.com/lyviamorgan

Thanks, Ellen, that's reassuring!

1 year ago

https://www.duolingo.com/Jenny2perros

You can continue learning new things with many lessons degraded. In one day, 20 lessons degraded for me. The more I do, the more lessons degrade. Ridiculous.

1 year ago

https://www.duolingo.com/lyviamorgan

Yup. I thought the bug was fixed but today 42 out of my 50 done all degraded at once!! The new record I suspect. A pity, because the idea of a little revision is good, but this is impossible.. Duolingo please fix this!

1 year ago

https://www.duolingo.com/ViktriaZsf

I got the same problem today. I am the last section and I even practised yesterday but for today 50 of them degraded.

1 year ago

https://www.duolingo.com/lyviamorgan

Last time it was fixed a few hours later. No luck so far this time. You can report the problem to Duolingo: https://support.duolingo.com/hc/en-us/requests/new Hope yours is resolved soon too.

1 year ago

https://www.duolingo.com/Jenny2perros

Thanks for providing the link. I reported the problem. I hope others do too so they'll realize it's a bug.

1 year ago

https://www.duolingo.com/KeltiaB

Don't hold your breath. Duolingo said that it had changed the degrading algorithm 2 years ago and yet, here we are complaining of the same issue.

9 months ago

https://www.duolingo.com/Jenny2perros

Yes, the more I practice, the more lessons are degrading. Dozens degrading every time I practice, including the lessons I just turned back to gold. I reported it with a screenshot of almost all my lessons degraded and with a screenshot of this discussion. I reported it to the link lyviamorgan provided near the bottom of this discussion: https://support.duolingo.com/hc/en-us/requests/new The more people report it, the more chance it will get fixed.

1 year ago

https://www.duolingo.com/Mnatseah

I'm doing Duolingo Hebrew. I try and do three lessons a day. But lessons degrade so fast I can't keep up. Today I had to go back and do lesson one again, tho I know all that vocab now. I really wish DL would allow us to choose how fast we want the degradation to happen.

1 year ago

https://www.duolingo.com/Jenny2perros

I wrote to the link I quoted and my lessons went back to degrading at a manageable pace. I too do 3 lessons a day. Maybe try writing to them and maybe your lessons will degrade more slowly.

1 year ago

https://www.duolingo.com/Aliceturn7
Aliceturn7
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This is also a problem for me too.

1 year ago

https://www.duolingo.com/BBonahoom44

I agree, the lessons degrade too quickly. I have been meeting my goal (50xp) almost everyday for a week now, however I have not gotten back to having everything gold. I was thinking of putting my study level down to 10 xp in order to maintain my streak while still getting up to at least 50xp on my own. Maybe it will degrade slower then.

1 year ago

https://www.duolingo.com/iimelinabeanii

I'm really trying to finish Italian but everyday the same lessons are degraded. Today I counted 20 degraded lessons! I'm getting sick of practicing the same lesson every day just for them to degrade every day. It's making me very discouraged

1 year ago

https://www.duolingo.com/FionaKolokas

Same with French. It was fantastic and I was absolutely loving it. But a few weeks ago it changed and it's degrading so quickly I can't get to any new lessons at all. I'm really over it and ready to ditch Duolingo. So disappointing because I've been a huge fan for years but to keep having to do basics over and over for no apparent reason is so frustrating!

1 year ago

https://www.duolingo.com/lyviamorgan

Having finished the Italian tree, I still haven't achieved an entirely golden tree. But... what I've learned is that if you make more than two mistakes, the lesson will not stay gold for long! That's the case, even if the 'mistakes' are typos in English from typing too fast. So take it slowly and hopefully gradually they will stay gold! And it makes no difference what your study level is set at (mine's set at 10x but I almost always do much more). Unless it's a glitch in the system and almost everything has reverted to colour (which does sometimes happen), it's mistakes that hold one back from staying golden! The trick is not to mind, just to see it as part of the learning curve.

1 year ago

https://www.duolingo.com/Zack413461

Previously mastered skills should deteriorate over time but not at a fixed rate with respect to time. Old skills should be used during the lessons of more advanced skills. When a user makes an error on a word or phrase of a previously mastered skill that skill should deteriorate. This mechanism would reflect the need to maintain old skills and match the deterioration of the skills to the user. Each user will deteriorate at different rates, so having a fixed deterioration rate is ridiculous. Duolingo should be smarter than that.

1 year ago

https://www.duolingo.com/ToddTheOdd
ToddTheOdd
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I remember when I thought 11 was a huge amount. I have over 20 lol

1 year ago

https://www.duolingo.com/ruth-mac
ruth-mac
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My German tree hardly degraded at all until this past week where all the lessons seem to be degrading quickly.

4 years ago

https://www.duolingo.com/SDL_1987
SDL_1987
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The more you peak, the faster your lessons are getting degraded, which is a signal that you have to repeat until the moment you don't have to peak again and thus will be able to remember the words better and your lessons won't be degraded that fast again. That's what I personally can conclude :)

4 years ago

https://www.duolingo.com/Melita2

I would LOVE to know if this is true!

4 years ago

https://www.duolingo.com/SDL_1987
SDL_1987
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It's what I see when I practice. If I peak on a word, it degrades very fast and if I don't peak, it stays in gold for a longer time. But in the end, it is never too bad to practice more...

4 years ago

https://www.duolingo.com/lastnightilie
lastnightilie
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I personally like it better this way, and I do try to keep my tree golden every day. Usually when it tells me to refresh something, it is a bit of a challenge to remember the vocab words from it, though with the first few lessons it's stupid to have to refresh them because those vocab words are basically in all the lessons following it.

4 years ago

https://www.duolingo.com/Pungyeon

Alright, so just a little update. After about four days of updating my lessons, they seem to be back to normal, only degrading 2 lessons for today. I think the system actually works, in that when you are inactive for a longer period of time, it helps you get back into the lesson plan. I will of course write back if the situation changes again :)

4 years ago

https://www.duolingo.com/auxbuss
auxbuss
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From reading other threads, I discovered that using the timed practice can refresh a lesson very quickly; it all depends on the number of white slots. So, if there are eight or so, then doing a non-times practice refresh probably makes more sense, in that it wipes out white slots more quickly, and you don't have to rush.

I don't much like the times practice, because I can't type very quickly or accurately enough -- cue the folk telling me to learn to type properly! -- but in this case, if there are only one or two white slots, then it's not too tricky, usually.

Doing it this way, I got my twenty degraded lessons back to normal in a couple of hours.

I'm really pleased that the cause of this problem was a bug, though. Judging by the differences of opinion about the behaviour, it might be worth Duo thinking of making the rate of decay adjustable. Say, "Maximum decayed lessons per day". For me, four is about right -- I can always do more manually when I fell like it and have the time. But others clearly don't mind refreshing twenty a day, which would be a show-stopper for me. Just an idea, not a criticism folks!

I'd also like the timed practice to be variable by the user. It's way too fast for me to type many of them, and sometimes the phrases are simply too long to complete in the available time, especially listening comprehension questions at full speed! For those, I just sit there and wait for the clock to run down. which is not much fun and doesn't provide any benefit. Again, just an idea, not a criticism folks!

4 years ago

https://www.duolingo.com/Pungyeon

I agree with you, it would be nice with more options, but I'm sure that we will get more options in the future :)

As for the timing for practise. I type at 120 wpm, and sometimes I have difficulties with finishing the sentences. It's seems a bit erratic, but once again, I'm sure that they will adjust this at some point in the future :)

4 years ago

https://www.duolingo.com/MartinConcepcion

I agree way too fast degrading and i know a language requires practice but the rate the bar goes down it's terrible maybe the should have a sync with the possitive anwser we give and not dregrade lower the ones you are good at this can be something lots of us would want implemented here But hey kudos for you guys after all it"s free keep up the good work Also i dont know what else to doo with my lingots tried to exchange it for real money but that didn't work jajajaj just kidding

2 years ago

https://www.duolingo.com/ToddTheOdd
ToddTheOdd
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I have the same problem. Yesterday most skills were gold. Today almost every single spanish skill needs at least one lesson. What the hell?

1 year ago

https://www.duolingo.com/Jayesh_Bhaware

Same here, I am having 7-8 daily degraded lessons. I try to make the bar full and when I am finished I am bit tired for new lessons.

1 year ago

https://www.duolingo.com/Moonstruck1219

I am having the same problem with Norwegian. I spent 6 hours this weekend trying to get all my past lessons gold. This morning I log on and two of the lessons I worked on this weekend have degraded. How can that happen in one night? It is impossible. I have been spending many many hours per week on Duolingo, but am starting to feel like switching to another program. I can make progress!

9 months ago

https://www.duolingo.com/wojtek22
wojtek22
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Yes agree I am looking for switching to something else too, Duolingo will not fix that ...

8 months ago

https://www.duolingo.com/pleiadian_

My Spanish tree is fine - I do about 10 lessons a day and progress slowly so maybe that's why mine is golden like my study habits.

4 years ago

https://www.duolingo.com/auxbuss
auxbuss
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Just to be clear, I do not have time to do ten lessons a day very often -- I do other language study along with Duolingo, though :-) I do about four or five. This has been fine to keep the tree golden for more than six months. If ten is required, then, yes, Duolingo is no longer for me, sadly.

4 years ago

https://www.duolingo.com/pleiadian_

So Duolingo has to adapt to your personal situation or else you're not going to use its service?

4 years ago

https://www.duolingo.com/Pungyeon

Yes, that is usually how a service works. Consumers use the service because it's beneficial for them to be using this specific service, not really for any other reason. If a product stops serving the purpose it had for you, you stop using it, that seems to be relatively common sense, right?

Just an update on the situation, I have now done 7 lesson practises, and in the mean time 3 lessons have already degraded :( This is quite demotivating.

4 years ago

https://www.duolingo.com/tobyfrench

what is degrading. I haven't noticed any degrading on mine and i don't do it every day. But I'm relatively new to this?

4 years ago

https://www.duolingo.com/auxbuss
auxbuss
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Hi Toby,

When you complete a lesson, as I'm sure you've noticed, it turns gold and you get a little tick in the top-right corner. What happens is that over time each lesson "degrades" and eventually it loses its gold status and the 4 bars change to 3. If you leave it longer the bars will reduce in number to 2 and, probably, one, though I've never left one that long.

To return a lesson to gold status, you have to "practice" it once more. It's a great feature as you get to revise your learning, but, in addition, the old lesson will now include vocabulary and verb tenses that you have learned since you first did that lesson.

Hope that helps.

4 years ago

https://www.duolingo.com/pleiadian_

http://en.wikipedia.org/wiki/Arbitrariness

The color of your tree is unrelated to how well you can use a language, it's based on what one (or more) computer scientist decided to code how to color your tree. Seeing how the "color coding system" changed literally overnight, that's definitely an arbitrary system.

4 years ago

https://www.duolingo.com/Pungyeon

._.

4 years ago

https://www.duolingo.com/pleiadian_

The definition of arbitrary is what I wanted to use. The Duolingo staff chose which colors define what.

But I do believe you're confused on the definition of forum - it's a place for discussion (and not exclusively for posting subjective statements), hence the questions I posed which are meant to induce a discussion over the topic.

I'm here because I want to figure out if some random colors are all it takes for him to stop using Duolingo as a language learning resource, it's as simple as that d00d.

4 years ago

https://www.duolingo.com/Pungyeon

Arbitrary - based on random choice or personal whim, rather than any reason or system.

You still want to use arbitrary?

4 years ago

https://www.duolingo.com/pleiadian_

That wasn't my point. Duolingo offers it service to 15 million users - a change to appease a single individual changes how 15 million people experience it. Why does the service have to change because one person doesn't like the arbitrary color coding of which has nothing to do with learning how to understand a foreign language?

4 years ago

https://www.duolingo.com/Pungyeon

Fantastic, I agree with you, that duolingo shouldn't change because of a single person. However, that is what the forums are for. We are here to express our opinions on certain things, and we wan't to find out whether this is an unwanted side-effect, or if this is how the duolingo team intended for the system to be. Auxbuss is here to find out whether he would like to continue using the site, it's as simple as that.

Feel free to correct me, but I do believe that you are confused on the definition of the word 'arbitrary', and possibly mistaken it for 'insignificant'?

Either way, I hope you understand, this isn't to attack the duolingo team. I think we can all agree on they are doing a fantastic job, I am just very confused as to why the lessons are degraded to rapidly all of a sudden.

4 years ago