Developmental Theories
In Piaget’s theory, this stage (ages 2–7) is when children learn language and symbols but often think illogically.
Preoperational stage
This style of parenting is strict, demands obedience, and shows little warmth.
Authoritarian parenting
A strong, long-standing emotional bond between people.
Attachment
This service focuses on providing comfort and dignity for people near the end of life.
Hospice
This is the name for a multi-cellular organism in its early development.
Embryo
This stage (ages 7–11) is when children understand conservation and reversibility.
Concrete operational stage
This style combines warmth with reasonable demands and consistent limits.
Authoritative parenting
This type of attachment occurs when a child uses the parent as a safe base to explore.
Secure attachment
This legal document states whether or not doctors should try to restart your heart if it stops.
Do Not Resuscitate (DNR) order
Environmental agents like chemicals, viruses, or drugs that harm a fetus.
Teratogens
According to Piaget, this stage (from 11 onward) allows abstract and hypothetical thinking.
Formal operational stage
This parenting style makes few demands and rarely uses punishment.
Permissive parenting
This type of attachment occurs when a child avoids the parent and shows little distress when they leave.
Avoidant attachment
This written document spells out the medical interventions a person wants in advance.
Living will
Children’s ability to understand that appearance can change without altering quantity.
Conservation
This is the concept that even if something can’t be seen, it still exists.
Object permanence
Parents using this style are indifferent and neglectful of their child’s needs.
Uninvolved parenting
This type of attachment often occurs in abused children and involves odd or inconsistent behavior.
Disorganized attachment
This document allows someone else to make health care decisions if you are unable.
Health care proxy
The debate between gradual growth versus stage-like changes in development.
Continuous vs. discontinuous development
Freud believed that people move through stages of this type of development, focused on erogenous zones.
Psychosexual development
This concept refers to the parental presence that provides a child with safety while exploring.
Secure base
This attachment style involves clinginess but also rejection of the parent’s attempts to comfort.
Resistant attachment
This theory says older adults have fewer friendships, but they are closer and more meaningful.
Socioemotional selectivity theory
In Erikson’s theory, people progress through eight stages of this type of development.
Psychosocial development