One effect of Plan B emergency contraception is that of ____
a. thickening the endometrial lining c. inhibiting ovulation
b. blocking the cervix d. thinning cervical mucus
C
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A company that manufactures drugs to treat heart disease wants to determine if a new drug and exercise can affect cholesterol levels. What are the independent and dependent variables in this proposed study?
a) The dependent variable is exercise; the independent variables are the drug and cholesterol level. b) The dependent variable is cholesterol level; the independent variables are the drug and exercise. c) The independent variables are the drug and cholesterol level; the dependent variable is amount of exercise. d) The dependent variable is the number of heart attacks; the independent variables are the drug, exercise, and cholesterol level.
Jerry is a loner, and he likes to catch flies and pull their wings off. He is also addicted to violent movies. According to Hans Eysenck's personality taxonomy, Jerry is most likely to score high on the personality trait of:
A. introversion. B. psychoticism. C. neuroticism. D. sensation seeking.
Which is NOT a strategy for gaining social acceptance?
A. passing B. withdrawal C. self-promotion D. all are strategies for gaining social acceptance
Which of the following statements is true of gender differences in cognitive abilities?
A) Girls usually outperform boys on many types of visual-spatial tasks. B) Historically, it has been believed that female adolescents generally outperform males in mathematics. C) Girls in the United States are more likely than boys to have reading problems. D) As a group, females surpass males in verbal ability throughout their lives.