Cognitive Connie

Let's explore Developmental Psychology

Explore how humans develop from conception through adolescence — how thinking, language, emotion, identity, and movement emerge and change at each stage of life.

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Play through all Developmental Psychology quizzes as a guided path.

SubjectsDevelopmental Psychology
InfancyToddlerhoodMiddle ChildhoodAdolescenceAttachment TheoryCognitive DevelopmentCognitive Development in InfancyCognitive Development in ToddlerhoodCognitive Development in Early ChildhoodCognitive Development in Middle ChildhoodCognitive Development in AdolescenceLanguage AcquisitionMoral Development in InfancyMoral Development in ToddlerhoodMoral Development in Early ChildhoodMoral Development in Middle ChildhoodMoral Development in AdolescenceCognitive Development in Early AdulthoodCognitive Development in Middle AdulthoodCognitive Development in Late AdulthoodSocial & Emotional Development in Early AdulthoodSocial & Emotional Development in Middle AdulthoodSocial & Emotional Development in Late AdulthoodLanguage Development in InfancyLanguage Development in ToddlerhoodLanguage Development in Early ChildhoodLanguage Development in Middle ChildhoodLanguage Development in AdolescenceESSENCEMotor DevelopmentMotor Development in InfancyMotor Development in ToddlerhoodMotor Development in Early ChildhoodMotor Development in Middle ChildhoodMotor Development in AdolescenceSocioemotional DevelopmentIdentity & SelfPiaget's Theory of Cognitive DevelopmentVygotsky's Sociocultural TheoryRenée Baillargeon and Infant Cognition

Tools

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Developmental Milestones

Trace development from conception to 18 years. Filter by cognitive, language, social & emotional, or physical domains.

Study guides & reading

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Three Theories of Cognitive Development: Piaget, Vygotsky, and Baillargeon

Children aren't just small adults. Piaget showed us why, Vygotsky complicated it, and Baillargeon's research upended what we thought we knew. Here's how to keep the three frameworks straight and use them precisely in your writing.