If r = .70, then ______% of the variance in the scores of a variable is associated with the variation in the other variable.
A. 70
B. 49
C. 83
D. 36
Answer: B
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A. independent. B. highly passionate. C. sexually experienced. D. virginal.
Smith and Smoll's studies on coaching behaviors and Little League coaches found that
a. coaches can change their behaviors to become more positive b. coaches can't control their positive behaviors c. coaches can't control their negative behaviors d. coaches have high self-esteem
Which of the following is true of fertility in men and women?
A) Fertility in both genders declines as early adulthood progresses. B) After age 25, women are usually advised to have their fetuses checked for Down's syndrome. C) It is only a woman's age that contributes to chromosomal abnormalities in offspring. D) Age is unrelated to chromosomal problems in offspring for both men and women.
Reward seeking and sensation seeking
A. are higher during adolescence than they were in childhood. B. are lower during adolescence than childhood. C. are equally high during childhood and adolescence. D. are caused by biological forces during adolescence and environmental forces in childhood.