Which of the following represents a true distinction between cross-sectional and longitudinal designs?
a) Cross-sectional designs can be used to compare differences across cohorts, while longitudinal designs can be used to compare differences within cohorts.
b) Cross-sectional designs are sensitive to changes in methodology, while longitudinal designs are relatively impervious to changes in methodology.
c) Cross-sectional designs study the same individuals multiple times, while longitudinal designs study different individuals each time.
d) Cross-sectional designs are prone to practice effects, while longitudinal designs are not subject to practice effects.
a
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One of the main reasons that the Internet is fast becoming an integral tool in sexual research is because ____
a. researchers can find numerous pornographic images to use in their studies b. Internet surveys have fewer errors and unanswered questions c. the Internet is likely to attract participants with deviant sexual behavior d. unlike mailed in surveys, Internet surveys allow participants to remain anonymous
Which of the following refers to the fine, soft hair that covers a fetus's body?
A. Couvade B. Zona pellucida C. Vernix D. Ectoderm E. Lanugo
________, which starts at about age 85, is often overlooked in people's thinking about sexual experience and relationships.
Fill in the blank(s) with the appropriate word(s).
Which of the following is true of Depo-Provera?
A. It is an antiandrogen drug used in chemical castration. B. It is a fertility drug used to nourish the endometrium in women. C. It is a fertility drug used to raise the sperm count of men. D. It is an aphrodisiacal drug that enhances sexual desire in men.