Departmental Bulletin Paper Forgetting Curve: Experiments on Intervals and Total Time in Recall

Ping Zhan  ,  Jeffrey Hanks

This manuscript is a continuation of our previous work ([1], [2]). In [1], we mainly tested the spacing effect and whether intervals affect the recall ratio in recalling English words. From the forgetting curve, learning data like English words and their definitions, it has been assumed that initial intervals should be shorter than later ones. But our experiments showed that the ratio of remembered words is not related to the patterns of intervals, (1) initial intervals shorter than later ones, and (2) uniform one-week interval. The main result of this manuscript also shows that intervals are irrelevant to the total time for recall. Finally, we shall point out that our experiments are dealing with a limited data set.

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