Peterson and Peterson studied how well participants can remember groups of three letters (like BRT, QSD) after various delays. They found that participants remembered an average of 80 percent of the groups after 3 seconds but only 10 percent after 18 seconds. They hypothesized that this decrease in performance was due to , but later research showed that it was actually due to .
a. interference; decay
b. priming; interference
c. decay; interference
d. decay; lack of rehearsal
Question 2
Sperling's delayed partial report procedure provided evidence that
a. STM and LTM are independent components of memory.
b. information in sensory memory fades within 1 or 2 seconds.
c. information in STM must be rehearsed to transfer into LTM.
d. STM has a limited capacity.
Why are some of the letters above the red line and some letters below?
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