NU665C EXAM 1: NU665C, 2025/2026
WITH CORRECT/ACCURATE ANSWERS
QUICK REFERENCE
KEY TERMS/CONCEPTS
Normal Development: Refers to the typical milestones in
physical, cognitive, and emotional growth in infants and
toddlers.
Low Birth Weight: Infants born weighing less than 5.5
pounds, which can lead to developmental delays.
Piaget's Stages of Cognitive Development: A theory outlining
four stages (Sensorimotor, Preoperational, Concrete
Operational, Formal Operational) that describe how
children's thinking evolves.
Erikson's Stages of Psychosocial Development: A theory that
identifies eight stages of psychosocial development, each
with its own challenges and outcomes.
Attachment Theory: A psychological model that describes
the dynamics of long-term interpersonal relationships,
particularly between children and caregivers.
FUNDAMENTAL THEORIES
Theory Description
Focuses on cognitive development through four
Piaget's
stages: Sensorimotor, Preoperational, Concrete
Theory
Operational, and Formal Operational.
Erikson's Highlights eight stages of psychosocial
, Theory Description
development, emphasizing the impact of social
Theory
experiences across the lifespan.
Attachment Proposes that early relationships with caregivers
Theory shape future emotional and social development.
KEY PEOPLE
Jean Piaget: Developed the theory of cognitive development,
emphasizing how children learn and think at different stages.
Erik Erikson: Proposed the psychosocial development theory,
outlining eight stages that individuals go through from
infancy to adulthood.
John Bowlby: Known for his work on attachment theory,
emphasizing the importance of the caregiver-child bond.
Mary Ainsworth: Expanded on Bowlby’s work, identifying
different attachment styles through her 'Strange Situation'
study.
Harry Harlow: Conducted experiments with rhesus monkeys,
demonstrating the importance of comfort and security in
attachment.
KEY MILESTONES
Age Vocalization Cognitive/Physical
Play Types
Range Milestones Milestones
0-3 Reflexive sounds,
Exploratory play Grasping, rolling over
months cooing
3-6 Babbling,
Sensory play Sitting, crawling
months imitating sounds
WITH CORRECT/ACCURATE ANSWERS
QUICK REFERENCE
KEY TERMS/CONCEPTS
Normal Development: Refers to the typical milestones in
physical, cognitive, and emotional growth in infants and
toddlers.
Low Birth Weight: Infants born weighing less than 5.5
pounds, which can lead to developmental delays.
Piaget's Stages of Cognitive Development: A theory outlining
four stages (Sensorimotor, Preoperational, Concrete
Operational, Formal Operational) that describe how
children's thinking evolves.
Erikson's Stages of Psychosocial Development: A theory that
identifies eight stages of psychosocial development, each
with its own challenges and outcomes.
Attachment Theory: A psychological model that describes
the dynamics of long-term interpersonal relationships,
particularly between children and caregivers.
FUNDAMENTAL THEORIES
Theory Description
Focuses on cognitive development through four
Piaget's
stages: Sensorimotor, Preoperational, Concrete
Theory
Operational, and Formal Operational.
Erikson's Highlights eight stages of psychosocial
, Theory Description
development, emphasizing the impact of social
Theory
experiences across the lifespan.
Attachment Proposes that early relationships with caregivers
Theory shape future emotional and social development.
KEY PEOPLE
Jean Piaget: Developed the theory of cognitive development,
emphasizing how children learn and think at different stages.
Erik Erikson: Proposed the psychosocial development theory,
outlining eight stages that individuals go through from
infancy to adulthood.
John Bowlby: Known for his work on attachment theory,
emphasizing the importance of the caregiver-child bond.
Mary Ainsworth: Expanded on Bowlby’s work, identifying
different attachment styles through her 'Strange Situation'
study.
Harry Harlow: Conducted experiments with rhesus monkeys,
demonstrating the importance of comfort and security in
attachment.
KEY MILESTONES
Age Vocalization Cognitive/Physical
Play Types
Range Milestones Milestones
0-3 Reflexive sounds,
Exploratory play Grasping, rolling over
months cooing
3-6 Babbling,
Sensory play Sitting, crawling
months imitating sounds
