Which of the following is NOT one of the four categories of factors that can influence the effectiveness of attempts to change people's attitudes?
a. the communicator
b. the audience
c. the motive
d. the message itself
c
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The onset of menarche usually comes between the ages of
a. 8 and 12 c. 11 and 14 b. 12 and 16 d. 14 and 18
Errorless discrimination training is a procedure that reduces
A) ?the number of errors associated with discrimination training. B) ?the number of errors associated with generalization training. C) ?many of the adverse effects of discrimination training. D) ?Both a and c are correct.
A two-tail test of significance is associated with a
A) directional hypothesis B) positive correlation C) negative correlation D) non-directional hypothesis
A population of scores is normally distributed with a mean of 100 and a standard
deviation of 20. Approximately _____ percent of the scores fall in the interval between 60 and 100. a. 14 b. 34 c. 68 d. 48