In contrast with other designs, the ____ research design has a unique capability to assess whether harmful cohort effects are present

Which one of the following procedures is an appropriate way to control for order effects in a within-subjects experiment? Arrange so that each condition

a. follows every other condition an equal number of times b. occurs equally often in each ordinal position c. is presented once to each group d. occurs only once

To teach his child the prototype for cat, Dad points to many examples in books, at home, on TV and in the neighborhood, while saying the word "cat.". These are __________ of the cat concept

a. positive instances c. positive overextensions b. negative instances d. prototypes