In a perception study, a researcher is concerned that people that wear glasses may respond
differently to the perception tasks than people that do not wear glasses.
Although the
researcher could eliminate this validity threat by random assignment, she decides to create
another independent variable. That is, she decides to see if wearing glasses or not makes a
difference. This research is controlling for what type of validity threat?
A) historical effects B) testing effects
C) statistical regression D) subject reactivity
A
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"Involved" grandparents usually __________.
A. actively engage in grandparenting and influence their grandchildren's lives B. act as supporters and buddies to their grandchildren C. complain about their grandchildren's childish behavior D. rarely visit their grandchildren
The process by which people attribute humanlike mental states to various animate and inanimate objects, including other people, is called
a. belief perseverance. b. social perception. c. nonverbal behavior. d. mind perception.
Freud called his theory "unconscious determinism."
a. True b. False
Preschoolers who watch more than __________ hours of TV per day have a higher risk of __________.
A. 2; obesity B. ½ hour; headaches C. 1 hour; vision problems D. 15 minutes; learning disabilities