Chunking random digits into groups of how many numbers generally works best at maximizing recall, according to Wickelgren (1964)and Ryan (1969)?
A)Two
B)Three
C)Four
D)Five
E)Six

Question

Quizplus · Accepted Answer

Wickelgren (1964) and Ryan (1969) found that grouping random digits into groups of three generally works best at maximizing recall. This is because three-digit chunks are easier to remember than two-digit chunks, but larger chunk sizes (four, five, or six) can lead to interference and confusion.

Chunking Random Digits into Groups of How Many Numbers Generally