Social SciencesGuidedBeginner15 chapters
Cognitive biases that shape everyday decisions
HippoCampus· starter course
Teach me the cognitive biases that quietly shape everyday decisions — confirmation bias, anchoring, availability, sunk cost and more — with examples and ways to counter them.
What you'll learn
15 chapters
1What Cognitive Biases Are and Why They Matter
- Define cognitive bias in plain language.
- Describe how mental shortcuts can help and mislead everyday thinking.
- Recognize that biases are common human tendencies rather than signs of low intelligence.
- Identify everyday areas where biased thinking can affect decisions.
2How Fast Judgments Begin: Heuristics and First Impressions
- Explain what a heuristic is.
- Describe why people often make quick judgments before careful thinking.
- Recognize how first impressions can guide later choices.
- Prepare for later bias topics by understanding the role of rapid mental shortcuts.
3Anchoring Bias: When the First Number Sticks
- Define anchoring bias.
- Identify common situations in which an initial number or idea shapes later judgment.
- Explain why anchors can influence price, value, and estimates.
- Use simple strategies to reduce the effect of anchors.
4Availability Bias: Judging by What Comes to Mind Easily
- Define the availability heuristic or availability bias.
- Describe how vivid, recent, or repeated examples affect judgment.
- Recognize the influence of media, personal stories, and memorable events.
- Apply simple checks to avoid overestimating commonness or risk.
5Confirmation Bias: Looking for What Fits What We Already Believe
- Define confirmation bias.
- Identify how people seek, notice, and remember supportive information.
- Recognize confirmation bias in news, opinions, and personal disagreements.
- Practice basic ways to check disconfirming evidence.
6Framing Effects: How Presentation Changes Choice
- Define framing effect in simple terms.
- Explain how the same information can lead to different choices when worded differently.
- Recognize common positive and negative frames in health, money, and marketing.
- Use a basic method for restating information more neutrally.
7Loss Aversion and Status Quo Bias: Why Change Feels Risky
- Define loss aversion and status quo bias.
- Describe why losses often feel stronger than equal gains.
- Recognize why people may stick with default options or familiar choices.
- Apply simple methods for comparing options more fairly.
8Sunk Cost Fallacy: Holding On Because We Already Paid
- Define the sunk cost fallacy.
- Distinguish past costs from future benefits and future costs.
- Recognize sunk cost thinking in money, time, effort, and relationships.
- Use a forward-looking question to make better choices.
9Overconfidence Bias: Trusting Our Judgments Too Much
- Define overconfidence bias.
- Recognize signs of excessive certainty in memory, prediction, and skill.
- Explain how overconfidence can affect planning and everyday judgment.
- Use simple habits that encourage humility and checking.
10Hindsight Bias: After the Outcome, It Seems Obvious
- Define hindsight bias.
- Explain why people often feel they 'knew it all along' after learning an outcome.
- Recognize how hindsight changes memory of past uncertainty.
- Use simple record-keeping and reflection to reduce hindsight bias.
11Fundamental Attribution Error and Self-Serving Bias in Social Life
- Define fundamental attribution error and self-serving bias.
- Describe how people explain other people's behavior differently from their own.
- Recognize these biases in conflict, teamwork, and everyday relationships.
- Practice asking situational questions before judging character.
12Biases in Consumer Choices and Everyday Money Decisions
- Identify how several common biases shape spending and consumer behavior.
- Connect anchors, framing, loss aversion, availability, and sunk cost to shopping decisions.
- Recognize common marketing tactics that take advantage of predictable bias.
- Use a basic checklist before making purchases.
13Biases in Information, Media, and Online Environments
- Recognize how cognitive biases influence what people click, share, and believe online.
- Connect confirmation bias, availability, framing, and social cues to media consumption.
- Identify simple signs that an online message is exploiting bias.
- Apply practical habits for slower, more careful information judgment.
14How Biases Combine Over the Course of a Decision
- See a decision as a sequence rather than a single moment.
- Identify how multiple biases can influence one choice from start to finish.
- Use simple walkthroughs of everyday decisions to spot bias points.
- Build a basic mental model for reviewing decisions more clearly.
15Practical Ways to Notice and Counter Cognitive Biases
- Summarize the most important biases from the course.
- Use beginner-friendly debiasing strategies in daily life.
- Create a simple routine for pausing, checking evidence, and comparing options.
- Leave with realistic expectations: biases can be reduced, not completely removed.