The greatest disadvantage of correlation is:
a. it has a limited range of values, being only -1 to +1.
b. it does not enable cause-and-effect conclusions.
c. its value can be negative.
d. its value can be zero.
b
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Operational definitions are used to specify:
a. dependent variables. b. independent variables. c. confounding variables. d. both independent and dependent variables.
Which of the following disorders do many psychologists believe is not a valid diagnosis?
a. Dissociative identity disorder b. Schizophrenia c. Histrionic personality disorder d. Post-traumatic stress disorder
What challenges do adoption studies pose for evaluating hereditary and environmental influences?
What will be an ideal response?
During the judgment phase of answering a self-report question, participants determine what question is being asked, and then they:
A) decide whether they agree or disagree with a basic proposition B) form some initial response to the question C) compare their psychological responses to those of other people D) convert their psychological response to a numerical answer