Piaget suggested that

A) cognitive development is disorderly and unpredictable.
B) all children progress through different and unique stages of development.
C) development occurs in a nonlinear and largely random fashion.
D) development at one stage is made possible by development in a preceding stage.

Developmental Stage

A distinct period in the life span characterized by particular patterns of behavior and cognitive abilities.

Cognitive Development

encompasses the evolution of cognitive processes and abilities, such as thinking, reasoning, and problem-solving, through various stages of childhood into adulthood.

Disorderly

Characterized by a lack of order or organization; chaotic or unruly behavior.