In an experiment to assess the effects of a new hay fever drug, two groups are used. One group is given the drug while the second group is given a pill that contains no medicine but looks and tastes exactly like the one containing the drug
The group receiving the nonmedicinal pill is called the ______ group.
a. independent b. b. experimental
c. dependent
d. control
d
Psychology
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The stimulus that reliably precedes the unconditioned stimulus in the classical procedure is called the __________ stimulus (CS).
a. conditioned
b. correspondent
c. coexistent
d. complementary
e. correlated
Psychology
When the CS is repeatedly presented without the US, this leads to
a. stimulus generalization. b. stimulus discrimination. c. spontaneous recovery. d. conditional emotional response. e. extinction.
Psychology