In terms of levels of personality, the textbook suggests that genes are on the ______-level

The featured article presented in class tested the effects of socially contingent interaction on which of the following:

a. perspective taking b. verb learning c. word segmentation d. visual memory

Betty is a first born child and she has a younger brother and sister. Which child is most likely to show a high need for affiliation when confronted with a fear situation?

a. the younger sister b. the younger brother c. Betty d. Affiliation is not related to birth order.