Which of these theories best explains the phenomenon of color constancy?
a. Trichromatic theory
b. Retinex theory
c. Opponent-process theory
d. String theory
b
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Which of the following constitutes a threat to the internal validity of within subjects factorial designs?
a. testing c. history b. the carryover effect d. all of these
_____ are desires or needs that cause us to generate or create behavior and then aim our behavior toward a particular task
a) Emotion-based stimuli b) Emotions c) Sexual derivatives d) Motives
Epiphyses are
a. the collective physical changes that occur in early adolescence. b. chemicals that travel in the bloodstream to act on other body parts. c. changes in physical development from one generation to the next. d. the ends of the cartilage structures in a fetus that turn into bone
The author presents a figure (Figure 10.2) regarding obesity rates in young adulthood by ethnicity. Which group had the highest rate of obesity and at what percentage of its members?
a. African Americans; 48% b. African Americans; 86% c. having children d. graduating from college