In the Experiment by Peterson and Peterson That Demonstrated the Decay

question 106

Multiple Choice

In the experiment by Peterson and Peterson that demonstrated the decay of short-term memory over 20 seconds, why did they ask their subjects to count backward by threes during the delay?

• A) to increase depth of processing
• B) to prevent rehearsal
• C) to enable subjects to engage in chunking
• D) to increase the probability of consolidation