Your textbook authors report that rigorously designed and controlled studies on the treatment of dissociative identity disorder
a. have only examined psychodynamic forms of treatment.
b. are widespread.
c. demonstrate the effectiveness of cognitive-behavior therapy.
d. are nonexistent.
d. are nonexistent.
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In the previous example of the smoking cessation study we might be tempted to apply Friedman's test, because it can handle similar data. This would be a bad idea because
a. Friedman's test really won't handle these data. b. Friedman's test will not use some of the information inherent in the data. c. Milton Friedman is a conservative economist, and we only like liberal psychologists. d. We really should use Friedman's test.
A research study reports that participants who scored high on a new test measuring self-esteem made eye contact during an interview whereas participants who scored low on the test avoided eye contact. Assuming that more eye contact is associated with higher self-esteem, this study is a demonstration of ____ validity
a. face b. concurrent c. predictive d. convergent
The method section of an APA-style research report ____
a. provides a general description of the study b. always begins on a new page after the introduction c. gives a report of the results d. begins immediately following the introduction, not on a new page
Which statement about confounding variables in experiments is FALSE?
a. Every experiment has at least one confounding variable. b. Confounding variables should be avoided or minimized. c. Random assignment controls confounding variables. d. Confounding variables lead to incorrect conclusions.