Cocaine is classified as a a) sedative. b) stimulant. c) ...

[torybrooks]

Cocaine is classified as a
 
  a) sedative.
  b) stimulant.
  c) barbiturate.
  d) hallucinogen.

Question 2

A psychologist compares groups of patients who receive social skills training to similar groups of patients who do not receive social skills training. Patients at several hospitals are studied. This research is an example of a
 
  a) correlation.
  b) case study.
  c) clinical trial.
  d) cross-sectional study.

[batool]

Answer to Question 1

b

Answer to Question 2

c