An experiment is externally valid if:
a. the outcome can be attributed to the independent variable only.
b. the results generalize to other settings.
c. the results are attributed only to external variables.
d. there are no alternative explanations of the findings.
B
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Considering what is known about the effects of alcohol on the fetus, pregnant women should be advised to drink
a. alcoholic beverages according to their own preference. b. hard liquor only, never beer or wine. c. wine and beer only, never hard liquor. d. no alcoholic beverages at all.
The ____ is a structure that extends from the medulla into the forebrain.
A. reticular formation B. tectum C. tegmentum D. thalamus
Most children outgrow their baby fat during middle childhood
Indicate whether the statement is true or false
Bipolar disorder includes
a. phobia with at least one personality disorder b. mania and depression in the same individual c. two different personality disorders at the same time d. schizophrenia and one other form of psychosis