Approximately ________ percent of the population falls within one standard deviation on either side of the mean
a. 50 c. 75
b. 68 d. 99
B
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Jason wants to design a good experiment and be sure there are no uncontrolled variables that change along with the independent variable. In other words, Jason wants to avoid:
a. independent variables b. dependent variables c. confounding variables d. control variables
Of the following, the most accurate statement regarding the research for treatment of obsessive-compulsive personality disorder is that
A. well-controlled research suggests the use of a highly structured behavioral program can be effective with motivated patients. B. well-controlled research suggests the use of cognitive-behavioral treatment. C. the great deal of research that has been conducted indicates there are currently no effective treatments. D. cognitive-behavioral therapy that helps the individual relax or use cognitive reappraisal techniques to reframe compulsive thoughts appears to be an effective treatment.
Once you have established a problem that can be studied empirically the next step is to identify the variables that will be investigated. How many variables that can change throughout an experiment should a researcher investigate?
a. Only one variable should change throughout the experiment. b. There are exactly three variables that should change throughout the experiment. c. The number of variables that change can differ based on the particular research question. d. It is impossible to limit the number of variables that can change throughout an experiment.
The 5 factor model
A) is a model that attempts to explain personality disorders by dividing them into 5 main categories. B) is a 5 step model for the treatment of personality disorders. C) is a model that explains the causes of personality disorders by describing the 5 most important factors that lead to their development. D) is a model of normal personality that includes an expanded description of the 5 basic personality dimensions.