So far this semester, you’ve learned about one-way and two-way research designs. What does the number before “way” represent?
a. The number of levels of the IV
b. The number of IVs
c. The total number of levels of all IVs
d. The number of DVs
Ans: B
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Suppose we wanted to predict success in graduate school on the basis of undergraduate G.P.A., IQ, and professor ratings. The statistical method that would be most useful is
a. bivariate correlation. b. Spearman's rho. c. multiple regression. d. factor analysis.
A correlation coefficient of -.67 tells us
a. the magnitude of the correlation only. b. the direction of the correlation only. c. the magnitude and direction of the correlation. d. neither the magnitude nor the direction of the correlation.
Relying on whether or not a client meets diagnostic criteria for the psychiatric disorder being treated is problematic because
a) The measure being used to evaluate the disorder may not be validated. b) The client may not want to complete the measure. c) Not meeting diagnostic criteria does not mean that all the problems associated with the disorder are gone. d) The measure may not include all of the specific problems the client was experiencing.
It is ethical to eliminate participants from your data set because
A) you do not think they were paying attention. B) they failed to meet some predetermined overall performance criterion. C) their data are contrary to your hypothesized result. D) you do not think their data look logical.