As a general rule, memory span is roughly equal to the amount of material you can internally rehearse in about 20 milliseconds.

Question

Quizplus · Accepted Answer

Memory span is typically measured in terms of how much information a person can hold in working memory for a brief period of time, usually between 15-30 seconds. The amount of material that can be rehearsed in 20 milliseconds is likely too brief to have a significant impact on memory span.

As a General Rule, Memory Span Is Roughly Equal to the Amount