Your friend asks you how oral contraceptives work to prevent pregnancy. Which of the following would be your BEST answer?
A) ?They work by preventing the production of hypothalamic hormones.
B) ?They work by preventing the maturation of eggs.
C) ?They work by preventing ovulation and changing the lining of the uterus to make it inhospitable to implantation.
D) ?They work by increasing the flow of cervical mucus.
C
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Data points that lie outside the whiskers in a boxplot are often referred to as
a. incorrect values. b. outliers. c. representative values. d. deviates.
Suppose a researcher assessed attitudes towards a certain brand of soda before and after conducting a taste test and noted the following results: Pre Post 5 7 4 9 3 4 5 10 4 4 5 4 What is the mean difference?
a. -2 b. -12 c. 12 d. 6
Which of the following most likely causes astronauts to become nauseated in space?
A. Their vestibular system cannot tell which way is down. B. Their bodies' kinesthetic perception is thrown off by the lack of gravity. C. Their visual system has trouble adjusting to seeing things floating and flying. D. Their brains are being bombarded by cosmic rays.
Simon laughed long and hard when he saw his mother slip and fall. Neither his sister nor his father laughed when they saw her fall
Simon has seen both his mother and other people fall before, but didn't laugh then. According to Kelley's covariation model, observers privy to this information are likely to assume that a. the weather makes people behave strangely. b. there must have been something peculiar about this particular incident that made Simon laugh. c. Simon's mother looked ridiculous when she fell. d. Simon doesn't like his mother very much.