Assess the use of barbiturates as a treatment for insomnia. Why was the use of barbiturates for insomnia halted?

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 hope 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

What happens to instrumental values with increasing age?

A. They become somewhat more important B. They become somewhat less important.  C. They stay the same. D. They become more important for men, and less important for women.