It is often possible to reduce the variance in a between-subjects design by using a participant variable such as age or gender as a second factor
a. True
b. False
Indicate whether the statement is true or false
True
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In the study by Cohen and his colleagues (1998) on susceptibility to the cold virus, ____
a. stress was not related to whether participants developed cold symptoms. b. all of the subjects who became infected with the virus developed cold symptoms because they all suffered some level of stress. c. only participants who suffered from acute stressful life events for less than a month developed cold symptoms. d. the stressors most closely related to colds were long-term conflicts with family or friends and unemployment.
Drug potency refers to the largest amount of a drug than can be taken safely
a. True b. False Indicate whether the statement is true or false
A psychologist tries out a new intelligence test on a child. One month later, she administers the same test to the same child and finds little correlation between the two administrations of the test. In testing terminology, it would be said that the test is:
a. context-dependent c. unreliable b. sensitive d. invalid
The question of nature and nurture relationships centers on how ____________ (nature) and ____________ (nurture) influence behavior and mental processes
A) environment; heredity B) heredity; environment C) emotion; logic D) logic; emotion