Findings of Cross-Cultural Studies of Piagetian Concepts Suggest That

Findings of cross-cultural studies of Piagetian concepts suggest that

A) only children in western, industrialized cultures acquire the cognitive operations described by Piaget.
B) children in all cultures acquire the same cognitive skills, at the same ages, in the same order, and to the same degree.
C) specific experiences affect the development of Piagetian concepts.
D) it is not possible to conduct cross-cultural research using Piagetian tasks.