Practice weakest words v Practice all skills
Can I ask, is there a significant difference between how these two practices operate and the effect they have on the strength of various words in your vocabulary? And for what goals it would be appropriate to use each of them?
I tend to use both too, but I can't tell exactly the difference between them. 'Practice all skills' sounds like it doesn't take into account which skills are weakest, but I'm sure I read in the recent update to the ranking system that it does work by an algorithm that takes into account each word's strength. Perhaps 'practice weakest words' has less of a focus on grammar and more on vocabulary? But I can't say I've noticed that, though I may be wrong.
I assume that the practice all skills thing practices all skills, regardless of strength. Whereas practice weakest words would focus on words with low strength rating. I notice I practice all skills alot, but the weakened skill categories rarely increase, I instead need to practice individual skills to effectively strenthen them.