You just completed an experiment in which the experimenter was neatly dressed, friendly, and
treated you with respect.
Later, you talk to a friend who completed the same study and she
described how her experimenter was sloppy, rude, and made her feel uncomfortable. What is
your conclusion?
A) The experimenters' characteristics will have little impact on the dependent variable.
B) The experimenters' characteristics could be an extraneous variable in the experiment.
C) The experimenters' characteristics could be a nuisance variable in the experiment.
D) Your friend must have misinterpreted the experimenter.
B
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Drugs such as LSD produce their hallucinogenic effects by profoundly altering the activity of the _____ system.
A) serotonin B) acetylcholine C) opiate D) dopamine
High doses of barbiturates produce effects similar to those of ______
a. hallucinogenics c. cocaine b. alcohol d. methamphetamines
There appears to be continuity to personality across the lifespan
Indicate whether the statement is true or false.
Cognition is a synonym for __________.
A. perception B. learning C. thinking D. intelligence