alleryStart learning →Peterson and Peterson's trigram study concluded that short-term memory decays in:
A3 seconds
B30 minutes
C2 hours
D18 seconds
Answer & Solution
Correct answer: D. 18 seconds
1. Recall was 80 per cent after 3 seconds.
2. It fell to 10 per cent after 18 seconds.
3. The memory trace becomes less activated.
_Source: OpenStax Psychology 2e, Chapter 8, Memory (CC BY 4.0)._
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