Piaget(and later Siegel) found that …
A)The more complex relations in formal operational thinking are mastered at 13 years.
B)Not everybody manages to master the more complex relations that form part of formal operational thinking.
C)The more complex relations in formal operational thinking are mastered at 11 years.
D)The balance beam task is not a good test of formal operations.

Question

Quizplus · Accepted Answer

Piaget, and later researchers such as Siegel, found that not everyone achieves the level of cognitive development associated with formal operational thinking, which involves the ability to think abstractly and manage complex relations. This finding suggests variability in cognitive development among individuals.

Piaget(and Later Siegel) Found That …