A typical series used in a recall exercise involves sequences of increasing lengths to determine the longest string of digits a person can store in short-term memory. For instance, a sequence might begin with four-digit numbers such as 9754 or 6419 and progressively expand to nine-digit numbers like 719384273 or 163875942.

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To explore the capacity and duration of short-term memory, individuals can work through a recall exercise where a partner reads strings of random numbers out loud, beginning each string by saying, "Ready?" and ending each by saying, "Recall." The listener then attempts to write down the string of numbers from memory. The longest string correctly recalled indicates the individual's short-term memory capacity.

Short-Term Memory Recall Exercise

Spielman, R. M., Jenkins, W. J., & Lovett, M. D. (2020, April 22). Psychology (2nd ed.). OpenStax. https://openstax.org/books/psychology-2e/pages/1-introduction

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