When a child combines the yellow and blue crayon colors in her drawing, the resulting color is green. Why is this so?
a. Because in an additive color mixture, combining these two colors yields green.
b. When yellow and blue are combined, the yellow absorbs the yellow, and the blue absorbs the blue, leaving green as the only remaining color.
c. The only wavelengths that are not absorbed look green.
d. Because of an afterimage created by the particular addition of these two colors.
Answer: c. The only wavelengths that are not absorbed look green.
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John is a first year college student at a local university. He was diagnosed with a condition that involves an irrational fear of being publicly humiliated or embarrassed. John was most likely diagnosed with: (Answer)
A. generalized anxiety disorder. B. manic depression. C. homichlophobia. D. kathisophobia. E. social phobia.
In an experiment to test the effects of varying amounts of anxiety on performance, the independent variable is the ______
a. amount of anxiety b. age of the subject c. subject's performance d. cause of the anxiety
Older workers have fewer accidents than do younger workers
Indicate whether the statement is true or false.
Which of the following is NOT an aspect of controlled attention?
a. supervisory attentional system b. spotlight attention c. selective attention d. mental resources