Which of the following statements about the spread of STDs, including AIDS, is true?
A) It is at least five times as easy for a male to infect a female, as for a female to infect a male.
B) It is at least five times as easy for a female to infect a male, as for a male to infect a female.
C) It is just as easy for a female to infect a male, as for a male to infect a female.
D) It is at least twice as easy for a male to infect a female, as for a female to infect a male.
D
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When Pavlov paired a buzzer with food and measured salivation, what was the unconditioned response?
a. The buzzer b. The food c. Salivation d. Both the buzzer and the food
Which of the following is of particular concern when computers are used to score and interpret the results of complex psychological tests?
a. invasion of privacy b. violation of consent c. improper use of standardization d. dehumanization
Valerie's state passed a law mandating a free public pre-kindergarten education for three- and four-year-old children, although school enrollment is not mandatory until age five, with kindergarten. She is tracking the school-readiness and reading-readiness scores of all children starting kindergarten to see how the children who are enrolled in the pre-K program do in comparison to those of
similar background who do not attend. Valerie is conducting ____. a. applied research b. implementation research c. basic research d. policy research
Which characteristic does NOT describe a normal distribution?
A) It is symmetrical. B) It has a peak in the middle. C) It is positively skewed. D) It trails off at both ends.