Wastes, oxygen, and antibodies are exchanged between the mother and embryo through the

a. amniotic sac. c. blastocyst.
b. chorionic sac. d. placenta.


D

Psychology

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Eisenberg and others (2002) found that the extent to which preschool children exhibited spontaneous helping behavior predicted how helpful they would be in later childhood and early adulthood. This finding is consistent with the hypothesis that

a. there are stable individual differences in helping. b. situational factors can c. the altruistic personality is genetically based. d. individuals high in empathy tend to be more helpful than those low in empathy.

Psychology

After the discussion of the research on mental imagery, your textbook re-examines the analog viewpoint of imagery. According to this discussion,

a. the analog viewpoint is no longer appropriate, because the majority of research supports the propositional viewpoint. b. the research allows us to conclude that mental imagery operates exactly the same way that perception operates. c. mental imagery is somewhat similar to perception, and these two processes activate similar structures in the cortex. d. both the analog viewpoint and the propositional viewpoint are inconsistent with the current research, so that a new model needs to be developed.

Psychology

Adam is playful yet moody, fussy yet tolerant, quiet at times yet boisterous. His temperament would be classified as

easy. slow-to-warm. difficult. hard to classify.

Psychology

Drug addiction can be either physiological or psychological in nature

Indicate whether this statement is true or false.

Psychology