(Essay found in Nesselroade & Grimm, 2019; pg. 23) Remember the research on mass versus distributed practice by Baddeley and Longman (1978) that was mentioned earlier in the chapter? The finding that ‘distributed practice is more effective than mass practice’ is actually a very old one, first uncovered by one of the pioneers of psychology, Hermann Ebbinghaus (1885), when conducting his famous studies on memory. It is also one of the more robust findings of psychology; shown to apply to the acquisition of a variety of both neuro-muscular skills like archery (Lashley, 1915) as well as cognitive abilities like face