In Piaget’s theory, pretend play is possible due to _____

After the discussion of the research on mental imagery, your textbook re-examines the analog viewpoint of imagery. According to this discussion,

a. the analog viewpoint is no longer appropriate, because the majority of research supports the propositional viewpoint. b. the research allows us to conclude that mental imagery operates exactly the same way that perception operates. c. mental imagery is somewhat similar to perception, and these two processes activate similar structures in the cortex. d. both the analog viewpoint and the propositional viewpoint are inconsistent with the current research, so that a new model needs to be developed.

Who was the inventor of statistical technique called factor analysis, a method that compares results of different correlational measures to identify patterns, or "factors," among them?

A) Alfred Binet B) Henri Simon C) Sir Francis Galton D) Charles Spearman