For t tests, which statistic is used to indicate effect size?
A) Cohen's d
B) Fmax
C) Cohen's alpha
D) r2
A
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The rate of births to teen mothers is
a. higher in the United States than in most developed nations. b. sharply increasing in the United States. c. the lowest in the world in the United States. d. slowly increasing in the United States.
The chief characteristic of bulimia nervosa is
a. self-induced vomiting. b. binge eating. c. self-starvation. d. a preoccupation with food.
The Flynn effect occurs only in Western, industrialized countries
a. True b. False Indicate whether the statement is true or false
Lona gives her employees attention, smiles at them, and nods her head in approval when they perform well. She is using _____ to motivate her employees
a. social recognition b. social learning c. equity d. valence