When choosing whether to put a research participant into a treatment group or a control group, researchers should use
A) first-in, first-out assignment.
B) first-in, last-out assignment.
C) random assignment.
D) convenience assignment.
C
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The best predictor of successful adaptation of a new couple to the arrival of a new baby is
a. in-law support. b. the support of other children. c. support of siblings. d. partner support.
__________can sabotage the efforts of overweight people to maintain a slender profile
A) Adaptive thermogenesis B) Adaptive mutagenesis C) Homeostasis D) Apostasis E) Select
Smoking is more than a nicotine delivery system for most smokers. The entire ritual of smoking is itself a positive experience. Just holding a cigarette, dangling it between the lips, or even seeing a favorite smoking chair, can give a smoker pleasure. For this reason, which of the following would be most helpful in breaking this pleasurable ritual?
a. EMDR b. "cold turkey" approaches c. client-centered therapy techniques d. behavioral self-management techniques
For categorical variables, we need ______.
A. parametric tests B. frequency tests C. nonparametric tests D. bivariate tests