Which of the Following Describes a Significant Difference Between Fischer's

Multiple Choice

Which of the following describes a significant difference between Fischer's and Piaget's perspectives on cognitive development?

A) the shift from variable to universal competence in Fischer's higher tiers
B) the lack of clear boundaries between stages in Fischer's model
C) the emphasis on actions in Fischer's first tier of development
D) the lack of emphasis on reflexes across all of Fischer's tiers