Cognitive Biases & Decision-Making
Cognitive biases are recurring tendencies in attention, interpretation, memory, and judgment. This hub connects PsychOS explainers and experiments about confirmation bias, dissonance, decision-making, misinformation, and related effects.
Psychology Articles
- Am I Being Gaslit? The Difference Between Manipulation and Just Being Wrong
- Cognitive Biases Explained: Why Your Brain Takes Shortcuts, and When They Backfire
- Cognitive Dissonance Explained: The Theory Behind the $1 Lie
- Confirmation Bias Explained: Why You Only See What You Expect
- Decision Fatigue Explained: The Real Story Behind a Famous Study
- Groupthink Explained: Why Smart People Make Terrible Decisions Together
- How to Spot a Pathological Liar: Why the "7-Second Rule" Fails (And What Actually Works)
- Intuition vs. Logic: How Your Brain Actually Makes Big Decisions
- Self-Sabotage Explained: Why You Undermine the Things You Actually Want
- The Barnum Effect Explained: Why Vague Personality Descriptions Feel Eerily Accurate
- The Dunning-Kruger Effect Explained: What the Research Actually Found
- The Halo Effect Explained: Why One Good Trait Blinds Us to Everything Else
- The Marshmallow Test Revisited: What Delayed Gratification Actually Predicts
- The Misinformation Effect: How a Single Word Can Rewrite What You Remember
- The Science of Self-Deception: Why Your Brain Lies to Protect Your Ego
- The Spotlight Effect: Why Nobody's Watching You as Closely as You Think
- The Sunk Cost Fallacy Explained: Why We Throw Good Time After Bad
- The Terrifying Psychology of Elizabeth Holmes & Theranos
- Trauma Bonding: Why You Can't Leave Someone Who Hurts You
- What Is Self-Esteem, Really? The Psychology Behind How You See Your Own Worth
- Why Smart People Get Imposter Syndrome (And Average People Don't)
- Why You Defend People Who Hurt You — It's Not Love. It's Your Nervous System
Classic Experiments
- The $1 Lie Experiment Explained: Why Smaller Rewards Change Beliefs More
- The Anchoring Effect: How a Random Number Can Silently Set Your Next Price, Guess, or Decision
- The Blue Eyes, Brown Eyes Experiment: The 1968 Classroom Exercise That Turned Third Graders Into Bullies Overnight
- The Forer Experiment: How One Psychologist Proved Anyone Will Believe a Fake Personality Test
- The Framing Effect: How Tversky and Kahneman Proved the Same Facts Can Produce Opposite Decisions
- The Iowa Gambling Task: How Bechara's Card Game Proved the Body Knows Before the Mind Does
- The Loftus Car Crash Study: How the Misinformation Effect Was Proven
- The Phineas Gage Case Study Explained: The Accident That Revealed Personality Lives in the Brain
- The Rosenhan Experiment Explained: Sane People, Insane Places
- The Split-Brain Experiments Explained: What Happens When the Two Hemispheres Can't Talk