A correlation of -0.82 between two variables would reflect
a. A small effect size
b. The fact that the second variable is larger than the first
c. A large effect size
d. A weak correlation
c
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The statistic in which the differences from the mean are squared (to eliminate negative numbers) before they are added together and divided by their total number is called the
a. standard deviation. b. mean deviations. c. median. d. variance.
Ansel believes that people are homeless because they are lazy. This is an example of ______.
A. external locus of control B. external attribution C. principle of noncommon effects D. just world hypothesis
A basic statistical principle of scientific research is that correlation __________.
A. indicates causation B. does not imply causation C. implies causation if it is significantly positive D. implies causation if it is significantly negative
The fact that giant sloths sleep 20 hours per day is a strong argument
A) against the circadian theory of sleep. B) for the recuperation theory of sleep. C) against the theory that sleep is a compensatory reaction to energy expenditure. D) all of the above E) both A and B