After looking up a friend's new number in the phone book,Franklin discovers that the pay phone is being monopolized by someone.Assuming that Franklin is not rehearsing the number,what is the longest period of time that he can wait without forgetting the number entirely?
A) one second
B) ten seconds
C) twenty seconds
D) two minutes

Question

Quizplus · Accepted Answer

According to research on short-term memory, the average person can hold about 7 pieces of information in their working memory for around 20-30 seconds before it begins to fade. Therefore, Franklin should be able to remember the phone number for at least 20 seconds before it starts to slip from his memory.

After Looking Up a Friend's New Number in the Phone