Which of the following is a role assigned to children to enable an unhealthy family system to maintain homeostasis?
A. best little boy or girl
B. family mascot
C. family problem child
D. all of the above are correct
E. the first and third choices only
D
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A researcher wants to investigate the effectiveness of three versions of a computer-assisted instructional (CAI) program in math on the achievement of elementary school students in math. The researcher wants to know if the effectiveness of the program would depend on the math aptitude (classified as above and below average) and the gender of the students. What experimental design would you
recommend for this study? a. 1 ´ 2 ´ 3 factorial design b. 3 ´ 2 ´ 2 factorial design c. Solomon three-group design d. Randomized subjects, pretest-posttest, control group design e. None of these is true.
Why is centring variables important in moderation analysis?
A. It ensures that all effects are removed. B. It allows errors to be detected C. It allows higher order effects to be interpretable D. It allows lower-order effects to be interpretable
When you are introducing two people who don't know each other:
A) First introduce a man to a woman B) Let them tell each other their names C) First introduce the most-important person to the least-important person D) None of the above
. A(n) ______ is a description of some observable event in terms of the specific process or manner by which it was observed or measured.
A. variable B. statistic C. operational definition D. research hypothesis