21. ( ) Donders's main reason for doing his choice reaction time experiment was to
study
(A) sensation.
(B) childhood attachment styles.
(C) decision making
(D) personality development
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統計: A(2), B(1), C(3), D(1), E(0) #3057021
統計: A(2), B(1), C(3), D(1), E(0) #3057021