In one study, 2½-year-olds were unable to use a scale model of a room to find a toy hidden in the room that the model represented. This is because young preschoolers have difficulty with

Research on the idea of "family resemblance" has demonstrated that

a. in a family resemblance category, there must be at least one attribute that is shared by all examples of that concept. b. a prototype is equivalent to a family resemblance category. c. in a family resemblance category, each example has at least one attribute in common with some other example of the concept. d. family resemblance categories are artificial, and they are found more often in the laboratory than in real life.

REM madness refers to the belief that ________.

A) REM sleep causes paranoia B) listening to more than 8 hours of R.E.M will cause madness C) without REM sleep one will go mad D) Too much REM sleep will cause one to go mad