Trichromatic theory suggests that
a. the retina has one type of color receptor that responds differently to each color.
b. the retina has two types of color receptors that respond in a different manner for each color. c. the retina has three types of color receptors—red, green, and blueÂviolet.
d. color results from opposing processes involving three sets of color receptors: red-green, blue-yellow, and black-white.
e. the process of color vision differs in men and women because of sex-linked genetic defects on the Ychromosome.
c
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Research on the framing effect shows that people tend to choose the risky strategy when considering gains and avoid taking risks when considering losses
a. True b. False Indicate whether the statement is true or false
Stephen Kraus's (1995) meta-analysis on the relationship between attitudes and behaviors showed that attitudes
a. are only tenuously linked to behavior. b. significantly and substantially predict future behavior. c. significantly predict future behavior, but it is a relatively small effect size. d. invariably predict future behavior.
The most frequent source of injury to school-age children is
a. fires and burns. c. drowning. b. auto accidents. d. gun-related deaths.
Which of the following is NOT a functional change that occurs in the nervous system during chronic pain?
A. The pain pathways show an increase in sensitivity. B. Brain stem pathways become more responsive. C. Activity decreases in the prefrontal cortex, anterior cingulate cortex, and insula. D. Increased amount of somatosensory cortical tissue devoted to the pain.