| Four experiments examined the role of the isolation effect in predicting superior recall for isolated slides in a PowerPoint deck. Results showed that participants recalled on average 4 slides from a text-only deck, and memory did not improve when neutral images were added to text-only slides. Recalled slides were not at random, they followed a pattern. There was a correlation between isolated slides and recalled slides when slides were made distinct every 5th slide, but not every 3rd or every 4th. Recall rate did not exceed the cap of 4 remembered slides regardless of deck manipulations, such as changing background colors, alternating text-only and text and visual slides, or replacing neutral visuals with emotional visuals. |
