The major advantage of repeated-measures designs is that
a. they allow you to use more subjects.
b. they allow you to remove subject differences from the error term.
c. they are easier to analyze.
d. they have a higher level of ?.
B
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A sample has n = 7 scores with a mean of M = 9 . If one individual with a score of X = 3 is removed from the sample, the new mean will be M = 10
Indicate whether the statement is true or false
A clinical psychologist measures body satisfaction for a group of clients diagnosed with anorexia nervosa each day for one week before and for one week after the psychologist begins a series of group therapy sessions. This is an example of a(n) ____ design
a. time-series b. interrupted time-series c. equivalent time-samples d. pretest-posttest design
An experimental finding that is easily demonstrated in the laboratory but not in the real world suffers from a problem with __________ validity
a. internal b. external c. construct d. statistical
At the top of Maslow’s hierarchy of needs is the need for ____
a. ?self-actualization b. ?unconditional positive regard c. ?locus of control d. ?self-efficacy