Analyzing Piaget's Pre-operational Stage Concepts

The question relates to Jean Piaget's theory of cognitive development, specifically the characteristics of the pre-operational stage (typically ages 2-7).

Evaluating Assertion (A): Incapability of Operations

Assertion (A) states that a pre-operational child is incapable of performing operations. In Piaget's theory, 'operations' refer to internalized, reversible mental actions that follow logical rules. Children in the pre-operational stage have not yet developed these logical structures. They struggle with tasks requiring logical manipulation and conservation. Therefore, Assertion (A) is considered true.

Evaluating Reason (R): Lack of Reversibility

Reason (R) states that a pre-operational child cannot mentally re-arrange a sequence of events into reverse order. This inability is known as the lack of reversibility. For example, a child may see water poured from a wide glass to a tall one and not understand that the amount of water remains the same, because they cannot mentally reverse the pouring action. This is a hallmark limitation of the pre-operational stage. Therefore, Reason (R) is also considered true.

Connecting Assertion (A) and Reason (R)

The ability to perform logical operations requires mental flexibility, including the capacity for reversibility. Since pre-operational children lack reversibility (as stated in R), they are fundamentally unable to perform the logical, reversible mental actions that constitute 'operations' (as stated in A). Therefore, the lack of reversibility is a key reason why pre-operational children cannot perform operations.

Conclusion: Both (A) and (R) are true, and (R) provides a correct explanation for (A).