A researcher compares three encoding tasks on a surprise free-recall test 20 minutes later. Participants see the same 40 nouns once each, but the orienting task varies:
(i) Count the number of vowels in each word (structural)
(ii) Decide whether each word rhymes with train (phonological)
(iii) Rate how pleasant each word is (semantic)
Accuracy differs strongly by task. Which explanation best accounts for the most typical ordering of recall across these conditions?
Select one option.
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