The key idea behind the opponent-process theory of color vision is that:
a. increased activation of one type of color cell decreases activation in another
b. the retina contains three kinds of color receptors
c. ganglion cells encode most aspects of color
d. each hemisphere of the brain processes color differently
A
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Indicate whether this statement is true or false.
Vincent is designing a research study as part of his Master's thesis
He wants to do a laboratory study where he can control as many variables as possible, but he is concerned that his findings will not generalize very well from the laboratory setting to the real world. In technical terms, Vincent is concerned about the _____ of his study. A) internal validity B) test-retest reliability C) external validity D) confound reliability