In the Smith et al. (1974) model of semantic memory, __________ is the features and properties of a concept that are essential to its meaning: for example, "bearing live young," for "mammal."

a. definingness
b. perceptual category
c. prototyping
d. cognitive economics


Answer: a

Psychology

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According to the Sophists, what is it that determines if an idea is accepted as the truth?

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According to the most recent research, which of the following statements is true concerning ethnic background and the development of Alzheimer's disease of dementia?

A. Japanese, Nigerian, and Amish have lower rate of prevalence of the disorder. B. Alzheimer's disease is found in roughly the same numbers across all ethnic groups. C. Educated European ethnic groups have a lower rate of getting the disease. D. Native Americans have a slightly higher rate of the disorder.

Psychology