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Psychology Dept | Library | Other SPCL OER

SPCL 7804 Human Development: Session 3: Unit 2 – The Early Years

Open Educational Resource (OER) created for Professor Elizalde-Utnick's SPCL 7804 course.

Video: Pre-linguistic Development in Infancy

Babbling becomes jargoning just before words appear. What do you notice in the video?

Videos: Exploring Piaget’s Sensorimotor Stages

Directions: View each of the following videos and determine which sensorimotor stage it represents:

  1. Reflexive circular reactions 
  2. Primary circular reactions 
  3. Secondary circular reactions 
  4. Coordination of secondary circular reactions
  5. Tertiary circular reactions
  6. Representational thought 


In this session we will discuss development in infancy and toddlerhood, with particular emphasis on cognitive development. We will begin with a quiz on the assigned reading and then discuss the material and engage in application activities.

Lecture Slides


Text Ch. 3, pp. 68-92 (Library linkPDF link)


Start gathering information from caregivers regarding your infancy and toddlerhood. Consider how Piaget’s theory applies to your own personal development. Do your former caretakers remember your behavior as an infant?