How many types of degrees of freedom do we report in a paired-samples t-test?
a. 1
b. 2
c. 3
d. As many as there are levels of the IV
Ans: A
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Which of the following students provides the most accurate information about breast cancer?
a. Derrick: "The public tends to focus on breast cancer, rather than on diseases that are actually more deadly to women.". b. Hakim: "Compared to US women, Canadian women have a much greater probability of dying from breast cancer.". c. Adrienne: "Women who are menstruating are especially likely to detect breast cancer if they examine their breasts on the first day of their menstrual cycle.". d. Rachel: "The new research shows that women between the ages of 30 and 45 should have a yearly mammogram.".
How is discriminant analysis different from multiple regression?
a. In discriminant analysis, the criterion variable is a set of categories rather than a continuous variable. b. The criterion variable is continuous in discriminant analysis but not in multiple regression. c. Discriminant analysis is a form of factor analysis, while multiple regression is not. d. Discriminant analysis and multiple regression involve exactly the same process.
An attempt to deal with threat by managing or altering the distressing situation itself is known as
a. management coping. b. problem-focused coping. c. focused threat assessment. d. primary appraisal.
A change in behavior simply as a result of earlier experience in the study is a threat to _________validity
a. internal b. external c. construct d. statistical