Approximately what percentage of gay and lesbian couples are raising children?

Think about the various approaches to general knowledge, as discussed in Chapter 8. Which of these approaches is most closely related to the concept of boundary extension?

a. the prototype approach b. the exemplar approach c. the parallel distributed processing (PDP) approach d. the schema approach

You have gone to a neurologist and she tells you that you need additional tests. One procedure will require that you receive an injection of a mild radioactive substance (a tracer) mixed with glucose. You know immediately that you are being scheduled for a

a. PET. c. MRI. b. CAT. d. CBF.