The Testing Effect: Why Quizzing Yourself Beats Rereading
The testing effect is one of the most robust findings in learning science: retrieval practice produces better long-term retention than repeated...
April 2026
Spaced Repetition: The Most Efficient Way to Learn Anything
How spaced repetition works from Ebbinghaus to FSRS: the forgetting curve, SM-2 algorithm, Anki implementation, optimal intervals, and the...
June 2025
Evolution of Cognitive Psychology
Cognitive revolution in the 1950s rejected behaviorism. Computers provided metaphors. Focus shifted to mental processes and information processing.
February 2025
Executive Function and Self-Regulation: The Architecture of the Governed Mind
Executive function governs inhibitory control, working memory, and cognitive flexibility. Explore the marshmallow test, Miyake's landmark factor...
The Mind in the Body: Understanding Embodied Cognition
Embodied cognition challenges the view that the mind is separate from the body. Explore Strack's pen-in-mouth study, Williams and Bargh's warm...
Dual Process Theory and the Architecture of Human Judgment
Dual Process Theory explains human judgment through two systems: fast, automatic System 1 and slow, deliberate System 2.
January 2025
Flow State: The Psychology of Optimal Experience and Why It's So Hard to Find
Mihaly Csikszentmihalyi interviewed chess players, rock climbers, surgeons, and composers and found they described their best experiences in nearly...
Construal Level Theory: Why Distance Changes What Matters
Nira Liberman and Yaacov Trope asked students to describe activities — taking a trip, eating breakfast, reading — either for tomorrow or for next...
Inattentional Blindness: Why We Miss What We're Not Looking For
In 1999, Daniel Simons and Christopher Chabris asked subjects to count basketball passes in a video.
December 2024
Is Willpower Really a Finite Resource? The Ego Depletion Story
The radish-and-cookies study launched a willpower theory that now faces a replication crisis.
The Zeigarnik Effect: Why Unfinished Tasks Haunt the Mind
In a Vienna café in the 1920s, Kurt Lewin noticed that waiters remembered unpaid tabs in perfect detail but forgot settled ones immediately.
May 2024
Why Disinformation Spreads
The MIT Media Lab's landmark 2018 Science study found false news spreads 6x faster than true news.
January 2024
What Is Memory?
A deep dive into the science of memory: how the brain encodes, stores, and retrieves information, from Ebbinghaus's forgetting curve to modern...
What Is Intelligence
A comprehensive scientific examination of intelligence: Spearman's g factor, fluid and crystallized intelligence, the Flynn effect, IQ predictive...
What Is Creativity?
A thorough examination of creativity science: from Guilford's divergent thinking and Wallas's four stages to the investment theory, the 10,000-hour...
Need for Cognition: Why Some People Think More and What It Predicts
Need for Cognition measures the tendency to engage in and enjoy effortful thinking. Explore Cacioppo and Petty's foundational research, the...
December 2023
Cognitive Appraisal Theory: How the Mind Decides What Emotions to Feel
Cognitive Appraisal Theory explains that emotions are not caused directly by events but by how we evaluate them.
December 2022
What Is Bounded Rationality: How We Make Decisions With Limited Information
Herbert Simon's bounded rationality explains why humans satisfice rather than optimize. Learn about cognitive limits, heuristics as rational...
June 2022
What Is Cognitive Load Theory?
Cognitive load theory explained: Sweller's framework of working memory limits, the three types of cognitive load, the worked example and...
What Is Attention?
Attention is the mind's power to select and focus. Explore selective attention, inattentional blindness, the gorilla experiment, multitasking...