A piece of chalk placed in the shade on a sunny day reflects less light than a black hockey puck placed directly in the sunlight. Yet we perceive the chalk to be brighter than the hockey puck. We can explain this perceptual phenomenon based on the principle of
a. brightness constancy.
b. color constancy
c. relative reflectance.
d. retinal disparity.
e. contrast effects.
a
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In animal research, the split litter technique is used for random-groups designs
Indicate whether the statement is true or false
Which of the following statements has research found to be accurate with regard to androgynous people?
A. They have a greater likelihood of having a non-heterosexual orientation. B. They have greater difficulties in adolescence as a result of peer teasing. C. They are highly flexible and effective because they do not limit themselves to one set of gender rules. D. They are socially inept because they cannot relate effectively to people of their own or the opposite sex.
Schedule II, III, IV, and V drugs are legally available by prescription only.
a. true b. false
________ communicate information from the brain and nervous system to muscles and glands.
A. Autoneurons B. Motor neurons C. Interneurons D. Sensory neurons