Exam 9: Concepts and Generic Knowledge

One study found that if participants were told a new fact about robins,they would also believe that the new fact was true of ducks.However,if told a new fact about ducks,participants would not extrapolate this information to robins.This suggests that

Within a parallel distributed processing (PDP)model,the term "spreading activation" refers to the fact that

Describe the procedure and results of Collins and Quillian's (1969)seminal study.What does this study tell us,and what modern updates (if any)should we add to this classic study?

According to prototype theory,"being typical" for a category and "being a member of the category" should go together;if one is true,the other is true.In light of other things you know,which of the following is NOT a problem for this broad claim?

According to prototype theory,the prototype selected for comparison is UNLIKELY to be the

It has been suggested that mental categories have a family-resemblance structure,and usually don't have definitions.What is the basis for this claim?

The textbook notes that our beliefs influence our categories,and our categories influence our beliefs.Explain what is meant by this by providing an example that supports each assertion.

Participants are asked which birds they think are "particularly birdy" and which birds are "not very birdy." We should expect that the birds judged as "birdiest" are birds

According to exemplar-based theories of mental categories,participants identify an object by comparing it to a

Suppose that you learn that cones are responsible for color vision.In any of the network models of knowledge,your learning occurs when the two concepts (cones and color vision)become

Describe the basic organization of a propositional network,and provide specific examples of the organization by considering the concept "chicken." Make sure you include the appropriate propositions in your description.

In making judgments about category membership,participants

Which of the following examples are used to illustrate the idea that in some categories,members retain their category membership even if their appearance changes dramatically?

The text points out that plums and lawn mowers share many traits.This suggests that