Child Psychology: A Contemporary Viewpoint, First Canadian Edition

E. Mavis Hetherington, University of Virginia
Ross D. Parke, University of California
Mark Schmuckler, University of Toronto at Scarborough

Cognitive Development: Piaget and Vygotsky

Key Persons Quiz

Match the key people to their descriptions.


1				The Swiss psychologist who proposed a cognitive theory of development that entails four qualitatively different stages.


2				A psychologist who reported that 3-month-olds understand the concept of gravity!


3				An investigator who wrote the catchy phrase that "very young infants do not know all there is to know"!


4				Two researchers from the University of Massachusetts who challenged the findings of Renee Baillargeon re infants' cognitive abilities on methodological grounds.


5				In a classic series of studies, this developmental psychologist found that young children can conserve number at a far younger age than Jean Piaget hypothesized.


6				A Russian psychologist who proposed a sociocultural theory of development in which children's cognitive development is a function of their interaction with more skilled and sophisticated partners.

Answer choices for questions 1 through 6

A)	Rochel Gelman
B)	Jean Piaget
C)	Lev Vygotsky
D)	Richard Bogartz and Jeanne Shinsky
E)	John Flavell
F)	Renee Baillargeon

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