At 6 months, Annabelle dropped her rattle in a fairly rigid way. By 12 months, she tossed objects down the basement stairs, bounced them off walls, and threw them in the air. Annabelle's modifications of her dropping scheme are an example of

Adolescents who have more complex self-conceptions are less likely:

A. to be depressed. B. to achieve more in school. C. to have lots of friends. D. to be foreclosed.

A girl learns that whenever her brother shares his cookie with her, her mother gives him a piece of candy. The girl starts sharing her treats with her friends when they come over in the hopes of getting a similar reward

The girl's learning to share is an example of a. classical conditioning b. operant conditioning c. contingency theory d. observational learning e. insight learning