The slope of the regression line
a. may never be negative
b. may never be greater than +1.00
c. may never be greater than the correlation value
d. none of these
d
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When dopamine-increasing drugs were used to control some of the effects of
Parkinson's disease, too high doses were, on occasion, given. The result was (a) delusions (b) hallucinations (c) violent emotional outbursts (d) all of the above, which suggested the relationship between dopamine and schizophrenia (e) none of the above; the side effect was lethargy
Why did behaviorists of the mid-1900s concentrate on studying rats in a maze? a. They needed to conduct the least expensive research
b. They were trying to identify genes that control behavior. c. They were trying to understand the evolution of behavior. d. They expected to discover general laws of behavior.