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Developmental Domains

Physical & Motor Development Milestones

Cognitive & Language Milestones

Social-Emotional Development & Attachment Basics

Check Your Understanding: Development

Going Deeper: Development in Infants & Toddlers

Infant Development: The First Year in Focus

Individual Variation: Every Child's Own Timeline

Practice Quiz: Growth and Development

Quiz 1: Stranger Anxiety

Answer 1: Stranger Anxiety

Quiz 2: Typical Walking Range

Answer 2: Typical Walking Range

Quiz 3: Object Permanence

Answer 3: Object Permanence

Quiz 4: Parallel Play

Answer 4: Parallel Play

Quiz 5: Adjusted Age

Answer 5: Adjusted Age

Quiz 6: A Genuine Developmental Concern

Answer 6: A Genuine Developmental Concern

Quiz 7: Joint Attention

Answer 7: Joint Attention

Quiz 8: The "Me Do It" Stage

Answer 8: The "Me Do It" Stage

Quiz 9: Social Smiling

Answer 9: Social Smiling

Quiz 10: Pretend Play

Answer 10: Pretend Play

Physical, cognitive, language, and social-emotional development milestones for children birth to 36 months, and how to observe them.

Build a working knowledge of physical, cognitive, language, and social-emotional
development from birth to 36 months — the foundation for every caregiving decision
that follows. .

Infant & Toddler Growth and Development

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