The size of the difference threshold is greater for heavier objects than for lighter ones. This best illustrates
A) sensory interaction
B) the volley principle
C) Weber's law
D) the opponent-process theory
Ans: C) Weber's law
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Electromagnetic radiation is produced by a star. Xiaodan says, "What a bright star!" Fill in the steps between the creation of the energy and Xiaodan's sensation.
What will be an ideal response?
Professor Gin tells his class that a person releases human growth hormone during periods of
A. wakefulness. B. REM sleep. C. stages 1 and 2 NREM sleep. D. stages 3 and 4 NREM sleep.
How would an evolutionary and a biological psychologist differ in explaining findings from research?
A. The evolutionary psychologist would focus on the evolutionary benefits of the behavior; the biological psychologist would focus on the brain mechanisms involved. B. The evolutionary psychologist would explain the brain mechanisms involved as a function of evolution; the biological psychologist would take a functionalist approach. C. The evolutionary psychologist would explain the behavior as a response to evolutionary pressures; the biological psychologist would focus on the behavior's goal. D. The evolutionary psychologist would focus on natural selection pressures that produce the behavior; the biological psychologist would likely ignore the behavior as it is unrelated to brain mechanisms.
Throughout the day,
activities in the liver, kidneys, and endocrine glands undergo large changes. Body temperature, blood pressure, and amino acid levels also shift from hour to hour. In fact, people tend to be more energetic and alert when these and other activities are at their highest point once a day. This is a description of a. the Yerkes-Dodson law. b. sensation-seeking patterns. c. circadian rhythms. d. biological condensation.