The human ear is sensitive to sound waves with frequencies of
a. 20 to 2,000 cycles per second. c. 2 to 200 cycles per second.
b. 20 to 20,000 cycles per second. d. 200 to 20,000 cycles per second.
B
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What percent of teenage runaways are likely to become involved in sex work?
a. 35% b. 50% c. 70% d. 85%
A student failed miserably when taking a course through correspondence, but she excels when repeating the course with a live tutor. Her improved grade reflects her learning
a. within a phylogenetic context. b. in the zone of proximal development. c. as it was liberated from the A-not-B error. d. in which assimilation and accommodation are balanced.
The greater the _________, the larger the zone of proximal development
a) interference from parents and teachers b) effort of the child c) improvement that comes with help d) challenge
Researchers from the University of Amsterdam conducted a content analysis of 400 sexually mainstream explicit Internet videos from four of the most visited "porn" websites. Which of the following is true about the findings of the study?
A. Power differences in the sexual activities more likely depicted men as dominant and women as submissive. B. Close-ups of women's body parts occurred less frequently than close-ups of men's body parts. C. Women were less likely to experience orgasm than were men. D. When violent behaviors were shown, women were more likely than men to control the situation in their favor.