If one psychologist administers a test simultaneously to several people with minimal supervision, it must be a(n) __________ test

The population represents the research participants and the sample is the people represented in the study

A. True B. False

Which of the following drugs cause(s) more neurotransmitters to be released, which, in turn, increases the activity of the brain cells?

a. alcohol b. cocaine c. amphetamines d. nicotine