What we looked up while building the products, published as we found it.
Spaced repetition (distributed practice) means returning to the same material several times with gaps in between, rather than studying it all at once, in order to retain it for longer.
The Pomodoro Technique is a time-management method in which you work for 25 minutes, take a short break, and repeat. Francesco Cirillo devised it in the late 1980s and named it after the tomato-shaped kitchen timer he used (pomodoro is Italian for tomato).
Habit formation means getting to the point where a behaviour runs without a conscious decision. In the study that measured it, the median time for an everyday behaviour to become automatic was 66 days, and the range across people was 18 to 254 days (Lally et al., 2010).
An audiobook is a book delivered as audio. In a study comparing adults who read, listened, or did both, no significant difference in comprehension was found between the groups (Rogowsky et al., 2016).