I wonder what happened to https://en.wikipedia.org/wiki/Suggestopedia

It went from 200 words of long term retention to 3000 words.

Spaced repetition is the most inefficient efficient way to learn the vocabulary. I never have the "see once, learn forever" effect with any kind of deck.

> Lozanov claimed that suggestopedia cannot be compared to a placebo as he regarded placebos as being effective.

It doesn’t sound like the author of that method believes in science?? I’ll pass.