According to cognitive developmental theory, advances in moral reasoning occur when a child has to reconcile new views about basic moral concepts with existing views about what is right or wrong. This process is called

The active substances in opium are

a. LSD and PCP. b. cocaine and heroin. c. codeine and morphine. d. marijuana and cocaine.

Which section of a research report tells how and why observations were made and describes the specific procedures used by the researchers to gather data?

a. discussion b. introduction c. results d. method