When Sperling visually displayed three rows of three letters each for only 1/20th of a second, experimental participants:
a. recalled only half the letters because they had insufficient time to see all of them.
b. recalled only about seven of the letters due to memory storage limitations.
c. had a momentary photographic memory of all nine letters.
d. recalled all the letters in any particular row when given a special recall signal several seconds after the letters had disappeared.
Answer: C
AP Psychology
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