A regression line
a. is always a straight line.
b. can sometimes be nonlinear.
c. cannot be used to make predictions.
d. cannot be plotted in a scatter diagram.
a
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A special commission appointed by The Association for Evaluation in Guidance found that
a. the psychometric properties of most interest inventories was poor. b. instruction manuals for the interest inventories needed to be improved. c. interest inventories guided men and women into gender-typed careers. d. unisex interest inventories were neither valid nor reliable.
A personality psychologist designs an experiment in which she plans to use the twin-study method. The psychologist is probably conducting research to examine the
A. stability of temperament over time. B. influence of genetics on personality. C. influence of siblings on personality. D. effects of birth order on personality.
Patients with right hemisphere damage may have difficulty understanding music or art
Indicate whether this statement is true or false.
Which of the following threats to validity could often be thought of as a form of attitude polarization?
A) the Hawthorne effect B) testing effects C) regression toward the mean D) participant expectancies