The reliability coefficient is
a. the mean of the observed scores.
b. the variance of the observed scores.
c. the ratio of the mean of the true scores on a test to the mean of the observed scores.
d. the ratio of the variance of the true scores on a test to the variance of the observed scores.
d
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A friend of yours claims anorexia nervosa and bulimia nervosa are really the same fundamental disorder. Demonstrate your knowledge of eating disorders by describing both similarities and key differences between these health issues
What will be an ideal response?
Olivia was divorced three years ago and has custody of her preadolescent children (one boy and one girl). Olivia is now planning to remarry. Who will have the most difficulty adjusting to this new blended family?
A. Olivia's son B. Olivia's daughter C. Olivia D. The new stepfather
We pick up phones that are ringing, but rarely answer phones that are silent. This is an example of
a. stimulus generalization. b. stimulus control. c. systematic extinction. d. resistance to extinction.
Relative to correlational studies, quasi-experimental studies allow researchers to control extraneous variables with the methods of holding conditions constant or
a. random assignment of subjects to conditions. b. balancing. c. using highly controlled laboratory conditions. d. none of the above