The capacity of working memory is somewhere around 7. What does this number 7 refer to, exactly?
A) 7 chunks of information
B) 7 bits of information
C) 7 pictorial images
D) 7 seconds of storage time before forgetting kicks in

Question

Quizplus · Accepted Answer

The number 7 refers to the average number of chunks of information that can be held in working memory at once. A chunk is a meaningful unit of information, which could be a single letter, digit, word, or concept. The concept of chunking helps to increase the capacity of working memory by organizing information into larger, meaningful units.

The Capacity of Working Memory Is Somewhere Around 7