Which of the following is an assumption of the t test for independent groups?
a. The data are interval or ratio.
b. The underlying distributions are bell-shaped.
c. The observations are independent.
d. All of the above are assumptions of the t test for independent groups.
d
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Why do neither matched samples nor matched pairs effectively eliminate the possibility of a third-variable correlation?
A) Each technique depends on the other; matched samples are studied first, followed later by matched pairs. B) Both techniques allow us to rule out a particular third variable as a causal agent, but not the possibility of other third variables. C) Both techniques fail to utilize random sampling. D) By eliminating specific third variables, cause-and-effect relations are artificially established.
Who offered the explanation that hypnotized adults permit themselves to regress to childish forms of responding, that emphasize make-believe and impulses, rather than fact and logic?
a. Sarbin c. Freud b. Kirsch d. Miller
Which of the following is NOT one of the traits that foster inner happiness?
a. Creativity b. Personal control c. Optimism d. Self-esteem
Those in the "sandwich generation" have to take care of both their own children and their parents
A) ?True. B) ?False.