Theories on Development
Nature, Nurture, Research
Language & Communication.
Conditioning & Learning
Social & Emotional Development
100

He proposed a four-stage theory of cognitive development involving schemas, assimilation, and accommodation.

Piaget

100

This debate addresses the relative contributions of heredity and environment.

Nature vs. Nurture.

100

These are the smallest units of sound in language.

Phonemes. 

100

In classical conditioning, this stimulus naturally triggers a response.

Unconditioned Stimulus. 

100

This type of parenting is strict and expects obedience without explanation.

Authoritarian Parenting. 

200

This stage is characterized by object permanence and sensory exploration.

Sensorimotor Stage.

200

These substances can harm a developing fetus.

Teratogens.

200

Combining words like "go car" is part of this early language stage.

Telegraphic Speech. 

200

Giving a reward to increase a behavior is called this.

Positive Reinforcement. 

200

This attachment style shows distress when a caregiver leaves but is easily soothed upon return.

Secure Attachment.

300

Believed that this provided support from adults or peers within the zone of proximal development.

Scaffolding.

300

This type of study follows the same group over time.

Longitudinal Research. 

300

The incorrect application of grammar rules (e.g., "I goed to the store").

Overgeneralization. 

300

B.F. Skinner used this term for learning through consequences.

Operant Conditioning. 

300

The early fear response to unfamiliar people in infancy.

Separation Anxiety. 

400

This theory outlines eight psychosocial stages, from trust to integrity.

Eriksons Psychosocial Development Theory

400

This period in early development is crucial for forming attachment and language.

Critical Period. 

400

These are culturally shaped, body-based expressions of meaning.

Nonverbal Gestures. 

400

This schedule provides reinforcement after varying amounts of time.

Variable Interval. 

400

This stage of Erikson’s theory occurs during adolescence.

Identity vs Role Confusion.

500

This type of development occurs in clear stages with sudden shifts.

Discontinuous Development.

500

The concept that some traits remain stable while others change.

Stability and Change.

500

The stage where infants repeat consonant-vowel sounds.

Babbling. 

500

A sudden realization in problem-solving without trial and error.

Insight Learning. 

500

This concept refers to internal timelines for achieving life milestones.

Social Clock.