When matching is used as a control procedure, assignment of participants to groups is:
a. not random.
b. random.
c. counterbalanced.
d. controlled.
B
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When you believe that pills generally work and you desire relief from a symptom, often even a fake pill can bring you relief. This is known as the __________ effect.
A. somatic B. conversion C. canned D. placebo
A person's genotype, as well as the reactions of others to the phenotype, influence the quality of ____ genotype/phenotype correlations
a. active (niche-building) b. selectively bred c. passive d. evocative
In an experiment, a researcher wants to avoid the presence of
A) confounding variables. B) dependent variables. C) independent variables. D) random assignment.
Phineas Gage is a famous example of someone who sustained damage to their prefrontal cortex and lost the ability to _____
a) think. b) speak. c) control impulses. d) coordinate movement.