Phil wants to find if the intake of calcium has an effect on the growth rate of children between the age of ten to fifteen. So he forms two groups and gives different amounts of calcium to each group and then measures growth rate after 15 years. In this case, calcium is the:
A. independent variable.
B. dependant variable.
C. correlation.
D. stable variable.
E. non-relative variable.
Answer: A
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A. syphilis B. candida C. gonorrhea D. chlamydia
Liberal Jewish traditions differ from Orthodox Jewish traditions in:
A. its greater acceptance of sexual pleasure. B. its abhorrence of same-sex relationships. C. its stringent dietary rules. D. its practice of abstinence from contraceptives. E. its acceptance of a matriarchal society.
Which of the following is a membrane that separates the fetus from the mother?
A. Zona pellucida B. Ectoderm C. Endoderm D. Mesoderm E. Chorion
Which of the following is an accurate observation about convenience samples in sex research, such as that used in the Janus report?
A. They are appropriate when only a limited area of behavior is being researched. B. They are appropriate only if data from recent experiences is being gathered. C. They show similar results to larger studies like the General Social Survey. D. They do not give a good picture of what is going on in the general population.