basics
theorists
life span dev.
infancy & childhood
adolescence & identity
100

The scientific study of the ways people grow, change, and adapt throughout life.

What is human development?

100

He proposed four stages of cognitive development: sensorimotor, preoperational, concrete operational, formal operational.

Who is Jean Piaget?

100

Ages 18–40, focus on forming relationships, advancing careers, and achieving independence

What is young adulthood?

100

Natural, instinctual responses newborns are born with, like shivering or sucking.

What are reflexes?

100

The stage where children focus on learning new skills, gaining competence, and feeling capable.

What is industry vs. inferiority?

200

Human development examines physical, cognitive, emotional, and ___ changes.

What are social changes?

200

This theorist emphasized psychosocial development across eight life stages, from trust to integrity.

Who is Erik Erikson?

200

Ages 40–65, balancing work, family, and personal growth while reflecting on long-term goals.

What is middle adulthood?

200

The automatic response where babies turn their heads toward a touch on their cheeks for feeding.

What is the rooting reflex?

200

Physical traits that develop during puberty but are not directly involved in reproduction.

What are secondary sexual characteristics?

300

The interaction of genetics, environment, culture, and personal experiences that shape an individual. 

What are nature and nurture?

300

He developed social learning theory, showing people learn through observation and modeling.

Who is Albert Bandura?

300

Ages 65+, coping with physical decline, retirement, and reflecting on life achievements.

What is late adulthood?

300

rikson’s first stage, where infants learn whether they can rely on the world.

What is trust vs. mistrust?

300

The individual’s sense of self based on group membership, like nationality, religion, or profession.

What is social identity?

400

These are the personal and social experiences, like parenting, culture, and education, that influence development.

What are environmental influences?

400

Known for psychosexual stages of personality development influenced by early childhood.

Who is Sigmund Freud?

400

Erikson’s stage in late adulthood, where individuals reflect on life?

What is integrity vs. despair?

400

The emotional connection that develops between caregiver and child, supporting safety and security.

What is bonding?

400

Identity statuses that describe exploration and commitment include identity achievement, foreclosure, moratorium, and ___.

What is identity diffusion?

500

What area of study helps us understand how and why people remain the same in some ways while evolving and adapting in others as they go through different life stages? 

What is Stability & Change?

500

Focused on how social interaction and culture influence cognitive development.

Who is Lev Vygotsky?

500

The process in which cognitive, emotional, and social growth continue throughout life.

What is continuous development?

500

Refers to a child’s natural personality traits, such as mood, adaptability, and activity level.

What is temperament? 

500

The “versions of who you might become in the future,” including ideal selves and feared selves.

What are possible selves?

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