OSAT Early Childhood Education study materials
OSAT Early Childhood Education study resources

OSAT Early Childhood Education: Child Development and Learning

OSAT Early Childhood Education · Work through your exam, one topic at a time.

All guide sections

Child Development and Learning

The Child Development and Learning domain tests how children from birth through age eight grow physically, cognitively, linguistically, and social-emotionally, and how theory becomes developmentally appropriate practice (DAP). Items place a theorist's idea inside a classroom vignette, ask you to predict a milestone, or require a teacher response that fits the child's current level.

Core theories

  • Piaget: four stages-sensorimotor (0–2), preoperational (2–7), concrete operational (7–11), formal operational (11+). Preoperational children show symbolic play, egocentrism, centration, and animism; they do not yet conserve.
  • Vygotsky: learning is social; the zone of proximal development is the gap between what a child can do alone and with assistance; scaffolding and private speech support self-regulation.
  • Erikson: trust vs. mistrust (infancy), autonomy vs. shame/doubt (toddler), initiative vs. guilt (preschool), industry vs. inferiority (primary grades).
  • Bronfenbrenner: nested systems-microsystem, mesosystem, exosystem, macrosystem, chronosystem.
  • NAEYC DAP: three core considerations are commonality, individuality, and context; DAP is intentional, play-based, and responsive, not laissez-faire.

Worked example

A 4-year-old says the tall, narrow cup has 'more' water than the short, wide cup holding the same amount. This is a conservation-of-liquid task. The child centers on height and is in Piaget's preoperational stage. The best response is to provide repeated pouring and comparing experiences with different containers-not to lecture about volume, which the child cannot yet mentally reverse.

Traps

Equating DAP with unstructured free play; treating the ZPD as independent work level; assuming preoperational children can conserve; confusing Erikson's autonomy (toddler) with initiative (preschool).