In a short-term memory experiment,Peterson and Peterson asked experimental participants to remember a single combination of three consonants while counting backward by threes.The purpose of the counting was to
A) diminish the effects of anterograde interference of memory.
B) have a control group that was not exposed to the experimental condition.
C) prevent rehearsal from prolonging memory retention.
D) improve retention of numbers included in the counting task.

Question

Quizplus · Accepted Answer

The purpose of counting backward by threes was to prevent rehearsal from prolonging memory retention. Rehearsal involves repeating information in order to keep it in short-term memory, and the counting task disrupted this process.

In a Short-Term Memory Experiment,Peterson and Peterson Asked Experimental Participants