The Ebbinghaus forgetting curve
"[Hermann Ebbinghaus's] forgetting curve describes the exponential loss of information that one has learned. The sharpest decline occurs in the first twenty minutes and the decay is significant through the first hour. The curve levels off after about one day." Wikipedia. As discussed in Ted Gannan's recent blog, "Job-related training is an exercise in helping people develop memories in the hope that the things they learn…
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