Developmental Psychology Archives - Page 4 of 14 - The Psychology Notes Headquarters

Vygotsky Metacognition: Why Kids Don’t Learn to Think About Thinking Alone

Vygotsky’s sociocultural theory explains how metacognition — the ability to monitor and regulate one’s own thinking — develops through social interaction, not spontaneous individual maturation. Researchers now study this as Vygotsky metacognition: children internalize planning, monitoring, and evaluation strategies from adults and peers who model them through dialogue and scaffolding. Cognitive functions appear first on the social level through guided...

Bronfenbrenner’s Ecological Systems Theory in Adulthood: Lifelong Ecological Influence

Development does not stop at childhood, and Bronfenbrenner’s theory of ecological systems in adulthood explains why. Work, marriage, caregiving, and cultural expectations keep shaping who adults become through the same five nested systems Bronfenbrenner originally mapped: microsystem, mesosystem, exosystem, macrosystem, and chronosystem (Bronfenbrenner & Morris, 2006). In adulthood, the microsystem includes intimate partnerships, workplace dynamics, and friendships that impact well-being;...

Object Permanence: When Babies Learn Things Still Exist

Object permanence typically develops around 4-8 months of age, with full mastery emerging around 18-24 months as babies progress through Piaget’s sensorimotor stage. Before achieving object permanence, infants behave as though hidden objects cease to exist entirely—when a toy disappears under a blanket or a caregiver leaves the room, these things vanish from the baby’s mental world. This developmental achievement...

Identity Crisis Examples in Adolescent: 7 Signs & Erikson’s Stage 5

Identity crisis examples in teenagers include sudden shifts in friend groups, intense questioning of family beliefs, and drastic changes in appearance or hobbies. This turning point occurs during Erikson’s fifth stage of development, Identity vs. Role Confusion (ages 12–18), when adolescents explore different values, beliefs, and social roles to build a cohesive sense of self. Failure to navigate this transition...

The Genital Stage: Freud’s Final Stage & Mature Love Development

The genital stage is the fifth and final phase of Sigmund Freud’s psychosexual development theory, beginning at puberty and continuing throughout the rest of a person’s life. Unlike earlier stages where the libido is focused on self-gratification, the genital stage is characterized by the awakening of sexual interests in others. The goal of this stage is to establish a healthy...

Separation Anxiety in Infants and Stranger Anxiety: What’s Normal and Why It Happens

Separation anxiety in infants is the distress babies show when separated from a primary caregiver, typically emerging between 8 and 14 months of age. It often develops alongside infant stranger anxiety — a related but distinct response to unfamiliar faces that appears a little earlier, around 6 to 8 months. Both are signs of healthy cognitive and emotional development, not...

Category: Developmental Psychology