The final step in calculating the standard deviation for a set of scores is to calculate the
square root of the
a. mean.
b. median.
c. range.
d. variance.
e. sum of the scores.
d. variance.
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The psychopathological symptoms that sometimes accompany brain impairment __________.
A. are not always predictable B. don't affect cognitive function C. fall into a small number of very specific types D. are indistinguishable from mood disorders
Gaze is often used as a nonverbal sign of respect
a) True b) False
To investigate the role of genetic factors in personality, researchers administered the MMPI to pairs of identical twins who had been reared apart and pairs of nonidentical twins who had been reared together. Imagine that these researchers found that the nonidentical twins reared together were more similar on a given trait than the identical twins reared apart. This would be evidence that:
a. genetics has a larger influence than the environment on the expression of that particular trait b. genetics and the environment are equally influential on the expression of that particular trait c. neither genetics nor the environment influences the expression of that particular trait d. the environment has a larger influence than genetics on the expression of that particular trait
What kind of research is this experimental or post-facto?
What will be an ideal response?