A study of matched pairs of participants reported the results of a related measures t test. If there were 25 participants in one condition and 25 participants in the other conditions, how many degrees of freedom were there?
a. 23 c. 48
b. 24 d. 49
B
For a related measures t test, df = N - 1, where N equals the number of paired scores.
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Which of the following students provides the most accurate information about the role of the media in relation to the abuse of women?
a. Elena: "According to a survey, more than 90% of US residents said that media coverage had emphasized the serious problem of domestic violence.". b. Sunita: "Outside of North America and parts of Western Europe, television stations and newspapers never even mention the abuse of women.". c. Jon: "The media information about the abuse of women is so consistently misleading that it would be better for the media to ignore the problem.". d. Alexander: "Because the abuse of women is such an invisible topic in the media, less than half of the states in the US actually have laws that forbid it.".
Regarding "yo-yo dieting," which of the following statements is/are TRUE?
a. "Yo-yo dieting" lowers the body's set point for fat. b. "Yo-yo dieting" tends to speed up the body's metabolic rate. c. "Yo-yo dieting" actually makes it harder to lose weight when dieting and easier to regain weight when the dieting ends. d. "Yo-yo dieting" is characterized by all of these statements.
Singlehood is:
A. increasing in African American and Latino American women. B. increasing in African American and decreasing in Latino American women. C. decreasing in African American and increasing in Latino American women. D. decreasing in African American and Latino American women.
Juanita sees a crowd of people gathered around a man lying on the ground. She thinks about whether to call an ambulance, but then reasons that somebody else has probably already done so. This is an example of
a. diffusion of responsibility. b. the urban overload hypothesis. c. the empathy-altruism hypothesis. d. social exchange theory.