In his study of insomnia, Galen used:

a. a control group.
b. a double-blind procedure.
c. a single-case experiment.
d. randomization.

C

Psychology

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When people speak to a young baby, their voices show great variation in both pitch and word emphasis. This aspect of speech production is called

a. linearization. b. the gist. c. syntax. d. prosody.

Psychology

The need to take a drug in order to avoid withdrawal symptoms is called _________

a) a craving b) tolerance c) obsessive compulsion d) physical dependence

Psychology