Now that Charisse was ten, she slept quite a bit ________ than her five-year-old sister

Which statement best characterizes the research conducted on adolescent masturbation

a. Ninety percent of boys have masturbated before the age of 13. b. Girls' reports of masturbation may be influenced by social desirability. c. Social desirability has impacted on boys' reported frequency of masturbation. d. None of these answers are correct.

Little Maria believes that if she just works hard enough, she can learn anything she sets her mind to. According to Carol Dweck, Maria has:

a. low self-efficacy b. an unrealistic self-concept c. a learning orientation d. a performance orientation