Scientific theories are most directly associated with which goal of science?
a. Application and control
b. Construction and revision
c. Measurement and description
d. Understanding and prediction
D
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The findings of a study of autistic children conducted by Lovaas found that
a. using American Sign Language produced the strongest results. b. there were no differences between three groups observed. c. the group receiving intensive behavior modification did the best in school. d. the group of children receiving empathy training did the best in school.
Differentiate between the trichromatic and opponent-process theories.
A. Trichromatic processes are involved in the perception of color, while the opponent mechanisms are involved in the perception of distance. B. The opponent-process theory describes color processing early in the visual system, while the trichromatic theory describes color processing later in the visual system. C. Trichromatic processes work within the retina itself, whereas opponent mechanisms operate both in the retina and at later stages of neuronal processing. D. The trichromatic theory suggests that different types of rods in the retina respond to different ranges of wavelengths, while the opponent-process theory states that not all rods respond to long wavelengths of light.
Regarding bell curve assumptions, which of the following is true?
a. About 5% of the population will achieve an IQ test score above 150. b. About 15% of the population will achieve an IQ test score above 150. c. About 2% of the population will achieve an IQ test score above 150. d. About 10% of the population will achieve an IQ test score above 150.
How many classes of sex hormones are there?
A. one B. two C. three D. four