In a memory test, the test of statistical significance used showed a probability of .025 that the group mean of the experimental group and the group mean of the control group would differ as much as they do by chance alone. This allows us to
a. estimate the percent of variance between the two group means.
b. establish a normal curve, regarding the memory score changes that occurred.
c. calculate the measures of central tendency and measures of variability for this experiment.
d. conclude with reasonable certainty that the drug actually did improve memory scores.
D
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Any agent that interferes with normal prenatal development is a(n) ____
a. fetalytic b. teratogen c. ototoxin d. carcinogen
After being rejected by all of the medical schools to which she applied, Melanie developed a sad and dejected mood. She had difficulty sleeping, ate much less than normal, no longer took interest in the hobbies and activities that once gave her pleasure, and felt that she was worthless. Melanie would be diagnosed as suffering from:
A. bipolar I disorder B. major depressive disorder C. a manic episode D. dissociative disorder
If you were interested in how the human mind is able to interpret depth and distance when looking at a painting on a flat canvas, you would be most interested in the psychological specialty area of
a. personality theory. b. comparative psychology. c. sensation and perception. d. forensic psychology.
The pleasurable feeling following alcohol consumption results from the effects alcohol has on which receptors?
A. serotonin and cannabinoid B. GABA and glutamate C. dopamine and GABA D. acetylcholine and glutamate