The correlation between scores on two administration of the same test is 0.90. What must be true about the scores from the two administrations?
a) The rank order of examinees is similar.
b) The mean scores are similar.
c) The variances are similar.
d) The score distributions are similar.
a
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Dr. Kantor recently identified a genetic mutation that causes infertility in men. She found that a mutation in the ____ gene causes sperm to swim in a circle, rather than in a forward direction,
thus significantly decreasing the chances that the sperm will find the female ovum. a. sperm propellant protein c. sperm kinase specific protein b. sperm associated glycoprotein d. sperm forward-mobility protein
Electrical stimulation of which brain area produces sexual behaviors?
a. corpus callosum area of the hypothalamus b. medial preoptic area of the hypothalamus c. posterior pituitary area of the hypothalamus d. cingulate gyrus area of the hypothalamus
Although there was once a time when child-adult sexual contact was more accepted, it is no longer viewed as a normal expression of sexuality. What contributed to this?
a. There was a population shift leading to a higher percentage of women than men; because of the surplus of unmarried mature women, men were discouraged from pursuing very young girls and encouraged to pursue more mature girls. b. Because of better nutrition and modern medicine, people began to live healthier and longer lives; thus, there was less pressure for men to marry very young women as a way to ensure reproductive success. c. In today's society, children are more outspoken and thus more likely to express their negative emotions about sexual contact with adults. d. Current child labor laws and compulsory education have changed societal views on the duration of "childhood."
Examinations of the moment-by-moment thought processes that occur between couples during conflict episodes (e.g., Sillars et al., 2000) reveal that people’s attributions and perceptions often are _______.
a) complex and objective b) realistic and mutually focused c) simplistic and self-serving d) objective and accurate