Randomizing a variable across treatments guarantees that the variable cannot become a confounding variable
a. True
b. False
Indicate whether the statement is true or false
False
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Which of the following represents the best operational definition of hunger?
a. That empty, gnawing feeling you get in your stomach b. Not having eaten for 18 hours c. The number of stomach growls reported in a ten-minute time interval d. All of the above
As an individual who subscribes to socioemotional selectivity theory, Darlene is most likely to believe that
a. social networks in adulthood serve no useful purpose. b. older adults seek interactions that are emotionally meaningful. c. older adults experience significantly more negative emotions than young adults. d. having fewer friends in older adulthood is a sign of potential psychosis.
When using inferential statistics to estimate the population variance, you divide the sum of the squares by:
a. N b. N+1 c. square root of N d. N?1
Judy was bitten by a small brown and white dog when she was a little girl, and now every time she sees a small dog approaching her, she is fearful. Watson would say that Judy's reaction is a result of _________ conditioning
a) behavioral b) classical c) reinforcement d) psychosocial