Between-subjects experiments
a. eliminate the possibility that one condition will affect another
b. use fewer subjects than within-subjects experiments
c. are always preferable to within-subjects experiments
d. All of these are true.
a
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When infants reach about 6 months of age they begin babbling; that is:
a) they begin repeating consonant-vowel combinations. b) they begin learning the rules of syntax. c) they begin stringing morphemes together. d) they begin using words to construct nonsensical utterances.
All of the following are among the seven conflicts that Erikson believes adolescents must resolve in order to achieve identity EXCEPT:
A) ideological commitment vs. confusion of values. B) ego-integrity vs. disgust and despair. C) leadership and followership vs. authority confusion. D) sexual polarization vs. bisexual confusion.