If a category is hard to define, like "country music," how do we decide what items fit that category?
a. We compare an item to some prototypes of that category
b. We write a definition that fits the items we want to include in the category.
c. We abandon that category and develop new categories.
d. We select items at random to include in the category.
a
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It is possible that the effect sizes were larger for influenza vaccination than for other forms of vaccination because ______.
A. the non-flu studies included a wide range of vaccines B. flu vaccination is more familiar and contributed to a clearer perceived risk C. the non-flu vaccine requires multiple vaccinations that may attenuate the risk perception D. all of these
Gaps in the myelin sheath that allow the neural signals to travel at a greater speed are called:
a. axon hillocks b. salutatory conductors c. nodes of Ranvier d. nodules of Descartes
A description of a property in concrete measurable terms is a(n):
A) theory. B) naturalistic observation. C) operational definition. D) hypothesis.
Severe eating disorder characterized by refusal to eat is ________
Fill in the blank with the appropriate word.