Suppose that the correlation between weight and the number of hours spent working out per week is +.84 . What proportion (or percent) of the variability in weight is accounted for by the relationship with the number of hours spent working out?

a. 91%
b. 71%
c. 42%
d. Cannot be determined


b

Psychology

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Which of the following statements is the best example of benevolent sexism, as defined by Glick and Fiske's Ambivalent Sexism Inventory?

a. "Women are getting too many benefits, due to affirmative action.". b. "Because women have experienced so much discrimination in the past, they deserve special privileges now.". c. "On a crowded bus, a man should offer his seat to a woman.". d. "Men and women are very different from each other.".

Psychology

Which of the following statements regarding a first-trimester vacuum aspiration abortion is FALSE?

a. It typically involves local anesthesia. b. It can be performed up to 16 weeks after a woman's last period. c. It usually takes 4-6 minutes d. Recovery typically requires a 1-day hospital stay.

Psychology

Which part of the eye controls the amount of light that gets in by contracting muscles around the pupil?

a. The cones b. The iris c. The cornea d. The retina

Psychology

Which of the following statements about homosexuality is true?

A) Attraction to members of the same sex is not limited to teens who identify as lesbian, gay, or bisexual. B) Most homosexual adolescents are "gender-deviant" in dress and behavior. C) About 85 percent of adolescents who report having engaged in homosexual acts identify as homosexual. D) Researchers have yet to identify a link between heredity and homosexuality.

Psychology