Erikson
Piaget
Sensation & Perception
Attachment & Parenting
Kohlberg
100

This is the first stage, where infants learn whether the world is dependable.

What is trust vs. mistrust?

100

This stage (birth–2) involves exploring the environment through the senses.

What is the sensorimotor stage?

100

This is the process by which sensory organs detect physical energy from the environment.

What is sensation?

100

This attachment style is formed when caregivers are responsive and consistent.

What is secure attachment?

100

In the first level, children obey rules to avoid punishment.

What is the preconventional stage?

200

Teens face this stage, where they explore who they are and where they’re going in life.

What is identity vs. role confusion?

200

During this stage, children struggle with egocentrism and lack conservation.

What is the preoperational stage?

200

The process of organizing and interpreting sensory information.

What is perception?

200

This style of parenting is strict, with high demands and low emotional warmth.

What is authoritarian parenting?

200

This level involves moral reasoning based on personal principles and broader ethical values.

What is the postconventional level?

300

In this stage (ages 3–5), children learn to plan activities and take on new tasks- or feel guilty for trying to do things themself.

What is initiative vs. guilt?

300

In this stage, children master conservation tasks such as volume and mass.

What is the concrete operational stage?

300

The minimum amount of stimulation needed to detect a stimulus 50% of the time.

What is the absolute threshold?

300

This attachment style results in a child clinging to a parent but appearing distressed and hard to soothe.

What is anxious?

300

People at this level follow rules because they believe it helps society function smoothly.

What is the conventional level?

400

This final life stage involves reflecting on life with satisfaction—or regret.

What is integrity vs. despair? 

400

Teens in this stage can think abstractly and use hypothetical reasoning.

What is the formal operational stage?

400

Depth cues that require both eyes, such as retinal disparity, are called these.

What are binocular cues?

400

Children with this attachment style may seem indifferent to their caregiver's presence or absence.

What is avoidant attachment?

400

At this level, children view rules as fixed and obey to avoid negative consequences.

What is the preconventional level?

500

This stage focuses on contributing to society and supporting the next generation.

What is generativity vs. stagnation?

500

This key cognitive milestone in the preoperational stage is the ability to use symbols.

What is symbolic thought?

500

When sensory receptors stop responding to unchanging stimuli (like a smell fading), this occurs.

What is sensory adaptation?

500

This parenting style combines warmth with structure and is linked with the best outcomes.

What is authoritative parenting?

500

At this level, people may choose to break laws they see as unjust while upholding universal moral principles.

What is the postconventional level?