"Black tar" is
A. a name given heroin from Mexico that is brown or black in its pure form.
B. a type of street heroin that has been "cut" with powdered charcoal.
C. a synthetic opioid that is twice as potent as pure heroin.
D. an opium extract that is imported from Southeast Asia.
A
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What was the major drawback of Descartes' view of the mind-brain problem?
A. It was a theory. B. It was not tested by empirical methods. C. It was a hydraulic model. D. It was based on an understanding of how the brain worked, but not the body.
Three-year-old Johnny was classically conditioned to salivate to a bell that was paired with lemon juice. After this conditioned response was extinguished, the experimenter presented the bell the following day, and Johnny responded by salivating again to the bell, at least at first. Johnny's return to the learned response is known as
a. latent learning. b. response chaining. c. spontaneous recovery. d. stimulus control.
The genetic correlation between identical twins raised in the same household is typically around ______ for all of the big five personality factors
A) .10 B) .50 C) .80 D) .99
Research on the stability of temperament indicates that it is
a. unstable and subject to wide variations over the course of a lifetime. b. unstable during childhood but stabilizes during adolescence and remains stable throughout a person's adult life. c. relatively stable through the first three to four years of life but begins to vary dramatically once a child reaches school age. d. relatively stable well into adulthood. e. completely unpredictable from person to person