Over the past 150 years in the United States, the average age at which puberty begins has

a. remained stable

b. risen.
c. decreased.
d. decreased for males but not for females.


c

Psychology

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A sexologist teaching at a university offers students the option of writing a term paper or participating in a sexuality survey. What challenge would this pose for findings from the survey?

a. Over generalizability b. Interviewer bias c. 100% sampling bias d. Volunteer bias

Psychology

Information about the effects of a particular response is called

a. cognitive branching. b. negative reinforcement. c. primary reinforcement. d. feedback.

Psychology

Which woman is at the greatest risk of bearing a baby with Down syndrome?

A) Gemma, age 15, who lives in a rural community B) Melina, age 24, who lives with a smoker C) Ursula, age 33, who was exposed to electromagnetic waves D) Kay, age 42, who lives in an urban area

Psychology

The Suttons are having a baby girl. As she develops, her

A. ovaries release hormones that develop the Müllerian system. B. ovaries release hormones that initiate the degeneration of the Müllerian system. C. ovaries release hormones that initiate the degeneration of the Wolffian system. D. Müllerian system will develop in the absence of anti-Müllerian hormone.

Psychology