T-tests are great! But they have a major weakness. What is it?
a. We can only examine separate groups
b. We can only compare samples to population means
c. We can only compare two groups
d. You're crazy man. t-tests have no weaknesses
Ans: c. We can only compare two groups
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A. old old B. young old C. geriatric D. oldest old
Which of the following is a secondary sex characteristic?
a. Breast development b. Testes development c. Maturation of the Fallopian tubes d. Growth of the penis
Electric shock is a commonly used aversive stimulus in part because it is
a. highly acceptable. b. easily administered. c. not painful. d. minimally reactive.
Evidence that language is a social process that must be learned comes from the fact that when deaf children find themselves in an environment where there are no people who speak or use sign language, they
a. lose the ability to communicate in any way. b. invent a sign language themselves. c. start speaking out loud even though they cannot hear themselves. d. demonstrate compensatory regeneration of lost auditory neural pathways.