Theorists of Development

Overview

Understanding the major theorists of child development is essential for the MAHA TET Child Development and Pedagogy section. Questions frequently test your ability to match theorists with their theories, identify stages correctly, and apply these concepts to classroom scenarios. This topic carries significant weight because it connects developmental psychology to educational practice.

The four theorists covered here—Piaget, Kohlberg, Chomsky, and Carl Rogers—represent different domains of development: cognitive, moral, linguistic, and socio-emotional respectively. Exam questions often present classroom situations and ask which theorist's principles apply, or they test specific stage names, age ranges, and key concepts. Mastering this topic requires memorising the stages while also understanding the underlying logic of each theory.

Key Concepts

• **Piaget's Cognitive Development Theory** proposes that children actively construct knowledge through interaction with their environment, progressing through four invariant stages from birth to adolescence.

• **Schema, Assimilation, and Accommodation** are Piaget's core mechanisms—schemas are mental frameworks, assimilation fits new information into existing schemas, and accommodation modifies schemas when new information does not fit.

• **Kohlberg's Moral Development Theory** extends Piaget's work on moral reasoning, proposing three levels with two stages each, based on how individuals justify moral decisions rather than the decisions themselves.

• **Chomsky's Language Acquisition Device (LAD)** suggests that humans possess an innate biological capacity for language, explaining why children acquire complex grammar rapidly despite limited input.

• **Universal Grammar** is Chomsky's concept that all human languages share underlying structural principles, which the LAD is pre-programmed to recognise.

• **Carl Rogers' Humanistic Theory** emphasises the self-concept, unconditional positive regard, and the natural tendency toward self-actualisation in a supportive environment.

• **Student-Centred Learning** stems from Rogers' belief that meaningful learning occurs when the learner is actively involved and the teacher acts as a facilitator rather than an authority figure.

Key Facts

### Piaget's Stages of Cognitive Development

| Stage | Age Range | Key Characteristics | |-------|-----------|---------------------| | Sensorimotor | 0–2 years | Object permanence, learning through senses and actions | | Preoperational | 2–7 years | Symbolic thought, egocentrism, centration, lack of conservation | | Concrete Operational | 7–11 years | Logical thinking about concrete objects, conservation, reversibility | | Formal Operational | 11+ years | Abstract thinking, hypothetical reasoning, systematic problem-solving |