Models are often utilized by scientists to ____
a. provide a clear and definitive explanation for a phenomenon
b. help conceptualize the cause of a phenomenon
c. directly observe a phenomenon
d. infer a phenomenon to something more abstract
b
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A concordance rate indicates
a. the percentage of twin pairs or other pairs of relatives who exhibit the same disorder. b. agreement rates between physicians in diagnosing psychological disorders. c. the degree to which psychological factors affect physical health. d. the degree to which biological factors affect psychological adjustment.
The Centers for Disease Control and Preventions defines someone as having AIDS if he or she meets one or both of these conditions: has had at least one of 21 AIDS-defining opportunistic infections; has had a CD4 cell count (T-cell count) of 200 cells or less
Indicate whether the statement is true or false
Which of the following was not advocated by John B. Watson?
A. If psychology is to be a science, psychologists must stop examining mental states. B. Only that which is observable is reasonable subject matter for science. C. Subjective inner feelings have no place in an objective science. D. Subjective inner feelings can be studied through scientific methods.
A liberal statistical test is one that: a. minimizes both type I and type II errors. b. minimizes type I errors but increases type II errors
c. minimizes type II errors but increases type I errors. d. decreases the chance of type I errors.