Drugs such as codeine and morphine are
a. depressants.
b. hallucinogens.
c. narcotics.

Ahallmark of psychology is conducting research on any and all human and animal behavior, mental abilities and biological process. let’s say you are a psychologist who was granted funding to conduct a research study. what would you research and hope to find? what phenomenon or experiences have open your interests to this? what would you predict the outcome of your study would find?