When dealing with studies that make use of pre-post testing strategies, researchers need to be careful with what the subjects experience during the time that elapses between the pretest and posttest

If subjects are affected by variables other than the independent variable during this time, the study is confounded by the factor of

a. regression to the mean.
b. testing changes.
c. sensitization.
d. history.

d

Psychology

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Which of the following activities/sports is noted

by your textbook as having a concerning number of head injuries and concussions? a) lacrosse b) ice hockey c) women's field hockey d) cheerleading

Psychology

The phase of schizophrenia in which the most dramatic symptoms of psychosis have improved, but in which the person continues to be impaired in various ways, is labeled

a. prodromal. b. active. c. residual. d. acute.

Psychology