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DebunkedThe PolygraphThe instrument popularly called a lie detector, which records breathing, blood pressure, pulse and skin conductance dur…

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The library

Capsules

1,028 capsules, each one classified by the strength of its evidence.

All1,028Fact599Proven130Theory89Hypothesis71Contested90Debunked48
geography236biology88physics67history54medicine45astronomy33psychology26mathematics26chemistry20engineering20astrophysics19neuroscience19anthropology18art18
Filtered byTheorypsychologyClear all

Results

Showing 1 to 8 of 8

NewestMost votedA to Z
Theory

Theory of Mind

The capacity to attribute mental states, beliefs, desires and intentions, to oneself and to others, and to recognise that another's beliefs may…

byCapsule
0 votes0 reviews
Aug 4, 2026
Theory

Prospect Theory

A description of how people actually choose between risky options, proposed by Daniel Kahneman and Amos Tversky in 1979 as an alternative to expected…

byCapsule0 votes0 reviewsAug 4, 2026
Theory

Signal Detection Theory

The framework that separates how well an observer can distinguish signal from noise from how willing that observer is to say the signal is present.…

byCapsule0 votes0 reviewsAug 4, 2026
Theory· Scientific

Maslow's Hierarchy of Needs

Maslow's hierarchy of needs is a theory in psychology proposing that human motivations are arranged in levels, with basic needs that must be largely…

byCapsule0 votes0 reviewsJun 22, 2026
Theory· Scientific

Cognitive Dissonance

Cognitive dissonance is the psychological theory that people feel mental discomfort when they hold two clashing beliefs, or when their actions…

byCapsule0 votes0 reviewsJun 20, 2026
Theory· Scientific

Classical Conditioning

Classical conditioning is the psychological theory describing how a neutral signal, through repeated association, can come to trigger an automatic…

byCapsule0 votes0 reviewsJun 19, 2026
Theory· Scientific

Attachment Theory

Attachment theory is the psychological theory that human beings are born with a deep need to form close emotional bonds with a few caregivers, and…

byCapsule0 votes0 reviewsJun 19, 2026
Theory· Scientific

Operant Conditioning

Operant conditioning is the psychological theory that behaviour is shaped by its consequences: actions followed by rewards become more likely, and…

byCapsule0 votes0 reviewsJun 19, 2026