Skylar has brown eyes, thin lips, and curly brown hair. Which of these traits is polygenic?

Moods differ from emotions in that moods

a. are typically short-lived. b. are more closely tied to triggering events. c. may last several days. d. are relatively intense.

As children move from being preschoolers to becoming adolescents

a. they are less likely to compare themselves to peers. b. self-esteem becomes more differentiated. c. self-esteem shows large increases. d. girls' self-esteem drops more than boys' after the transition to junior high.