13 Operation Span Measure Description

This is a 6-set measure of operation span working memory. Participants attempt to remember 4 letters (2 sets), 5 letters (2 sets), and 6 letters (2 sets), seen one at a time for 1 second each, while solving simple math problems between each letter. At the end of each set, participants are requested to write the letters they remember, in order, and write “X” for letters they do not remember.

13.0.1 How to combine datasets