A researcher sets up an experiment to test a new antidepressant medication. One group receives the treatment, and the other receives a placebo. The researcher then measures depression using a standardized self-report measure
What is the independent variable in this case?
a. Whether the individuals scored high or low on the depression measure
b. Whether the individuals received the treatment or a placebo
c. Whether the individuals were experiencing depression before the study began
d. Whether the individuals, depression decreased or increased during the study period
Answer: B
Rationale: This is the variable that the experimenter manipulates to distinguish between the two groups.
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Loi is reading over the teams that have won the National Basketball Association (NBA) championship since 1980
His recall of the first nine and last nine champions at significantly higher rates than the ten champions in the middle would clearly demonstrate the _____.
Another term for "mindblindness" is
a. aphasia. b. spatial neglect. c. dyslexia. d. visual agnosia.