B.F. Skinner felt that large samples were sometimes better because ______.
a. they were easier to obtain
b. the tests were easier to administer
c. significance tests could be run
d. they were heterogeneous
c. significance tests could be run
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Precipitation, made toxic by air pollution, that destroys plant and animal life, is referred to as
a. acid rain. b. killer cloudbursts. c. infected water. d. pea soup.
Two variables, A and B, have a strong linear correlation. What is the direction of causality?
A) A causes B B) B causes A C) Some third variable causes both A and B D) Any of the above are possible
In conjunction with the National Family Violence Surveys, respondents were asked about the following acts: threw something at the other; pushed, grabbed, or shoved; slapped or spanked; kicked, bit, or hit with a fist; hit or tried to hit with something; beat up the other; burned or scalded (for children) or choked (for spouses); threatened with knife or gun; and used a knife or gun. On the basis of this information, researchers developed an instrument known as the
_____ refers to a process of people moving about, talking to one another, and becoming increasingly excited.
A. Milling B. Hysteria C. Gossip D. Panic E. Phobia