A researcher administers a treatment to a sample of participants selected from a population with µ = 80 . If the researcher obtains a sample mean of M = 88, which combination of factors is most likely to result in rejecting the null hypothesis?

a. ? = 5 and n = 25 c. ? = 10 and n = 25
b. ? = 5 and n = 50 d. ? = 10 and n = 50


B

Psychology

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Stan is a new student in his sixth-grade class. The other students exert normative pressure on him to conform to their opinion on some issue. According to social impact theory, Stan will be more likely to resist this influence if

a. there are 20 rather than 11 students in the class. b. he perceives the other students as having high status. c. there are three other new students in the class who are receiving the same pressures. d. he comes from a culture that values a collectivist orientation.

Psychology

Social smiles begin to be observed

a. at about 1 year. b. at about 20 weeks. c. at about 5 weeks. d. 12 hours after birth.

Psychology

Which of the following is NOT a characteristic of the antisocial personality disorder?

a. lying and deception b. manipulative c. lack of remorse d. social anxiety

Psychology

Jane is aware that she is sitting in her psychology class and it is almost lunchtime. She is also aware of how tired she is since staying up late to watch a movie

Thus, if Jane is aware of what is going on around her and what is going on within her, then it is safe to say that she is in a(n) a. state of waking consciousness. b. altered state of consciousness. c. unconscious state. d. preconscious state.

Psychology