There is little statistical difference between single men and single women on having a best friend
Indicate whether the statement is true or false.
F
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Single-parent African American families tend to rely substantially on grandparents for everyday child care.
Answer the following statement true (T) or false (F)
An older adult is likely to be most uncomfortable and distressed if he or she is
a. the overbenefited person in a relationship. b. the underbenefited person in a relationship. c. in a highly equitable relationship. d. in a confidant relationship.
If you are interested in how well students perform on a standardized math-achievement test after they have completed a six-week math unit in either a computer-assisted class, a videotaped course, or a regular classroom, and also taking into consideration whether they are in the fourth or the fifth grade, what kind of design do you have?
a. A 2 × 2 between-subjects, factorial design b. A 3 × 2 between-subjects, factorial design c. A 3 × 3 between-subjects, incomplete factorial design d. A one-way design
Dr. Wisgoski asked fifty drug addicts a series of questions about their childhoods and then collected blood samples from them. He found a high correlation between levels of the stress hormone cortisol and amount of reported childhood trauma. Dr. Wisgoski concluded that childhood trauma causes high levels of stress during adulthood, which, in turn, causes drug addiction. Dr. Wisgoski's operational definition of adult stress level is
A. childhood trauma. B. blood cortisol levels. C. drug addiction. D. self-report.