Scientists are reasonably confident that differences between groups are significant when chance is less than __________ percent.
A. 2
B. 5
C. 7
D. 10
Answer: B
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Which of the following statements BEST describes the position of your authors regarding the self-esteem of adolescents? a. Self-esteem can vary across different domains and the social domain is particularly important to adolescents. b. Self-esteem is global; that is, if an adolescent feels good about herself in one area, she is most likely to feel good about herself in all areas. c
Self-esteem is surprisingly unaffected by the relationships that adolescents have with their peers. d. Self-esteem is surprisingly unaffected by the relationships that adolescents have with their parents and siblings.
For exploring the environment, humans depend on __________ more than any other sense
A) touch B) hearing C) vision D) taste
If a subject in a perception study were listening to sounds and asked to assign a number that is proportional to each sound's intensity, the method being used to measure the psychophysical function is ________
a. cross-modality matching b. category judgment c. magnitude estimation d. Weber's Law
Regarding teen premarital intercourse, which of the following statements is FALSE?
a. Sexual activity among teenagers increased from the 1960s through the 1980s but has declined in recent years, especially among younger teens. b. In recent years, there has been a decline in the rates of teen pregnancy and abortion in the United States. c. In recent years, teens have shown a higher rate of contraceptive use. d. Research now suggests that teens who take sex education tend to engage in sexual intercourse at a younger age than those who have not taken sex education classes.