Everyday Cognitive Biases
Learn why your brain takes mental shortcuts that quietly distort your choices. Spot the most common thinking traps in action and build simple habits to make clearer decisions.
Like Duolingo, but for Everyday Cognitive Biases. Tomo turns the whole topic into a game you play five minutes a day, until it actually sticks.
A short one: 12 levels across 2 sections, about 24 minutes end to end, roughly 5 days at five minutes a day. It moves through Catching Everyday Mental Traps and Designing Better Decisions. It starts from scratch.
Free forever · No credit card · iPhone & Android
Key ideas in Everyday Cognitive Biases
- Confirmation bias operates mostly as an automatic mental shortcut rather than an intentional act of stubbornness
- The brain naturally filters incoming details to align with prior beliefs to conserve cognitive effort
- Searching for and processing contradictory evidence requires effortful mental energy, whereas matching patterns feels fluent
- One-sided search queries pull results that predominantly support the premise framed in the question
- Framing a query around an expected outcome leads researchers and readers straight into confirmatory findings
- Asking neutral, non-directional questions allows search algorithms and research summaries to return both supporting and conflicting findings
- Actively hunting for disconfirming evidence (falsification) stress-tests a hypothesis much faster than piling up supportive examples
- Finding a dozen examples supporting an opinion cannot prove it true if a single conflicting fact dismantles it
- Cognitive psychology recommends deliberately asking 'what evidence would prove me wrong?'
- The bias blind spot is the psychological tendency to recognize cognitive biases in others while underestimating them in oneself
- People judge others by visible behavior but judge themselves by their internal intentions, making their own biases feel nonexistent
- Learning about psychological biases does not automatically protect someone from committing them
- Recommendation algorithms prioritize content that triggers strong emotional engagement, which frequently aligns with preexisting beliefs
- Algorithms continuously serve content similar to what a user has already clicked or liked, building an echo chamber of confirmatory data
- Emotional validation reinforces the brain's tendency to accept supporting claims without checking their validity
- The mind automatically latches onto any initial number presented, using it as a mental starting point
You've tried the other tabs
Thirty open tabs. Four facts you actually kept.
You watched. You nodded. By Sunday it was gone.
One answer, then back to scrolling.
Eight weeks. You meant to finish. You didn't.
Tomo gives Everyday Cognitive Biases the Duolingo treatment: levels, streaks, and quick quizzes that test what you just learned. That game loop is what the tabs above never had, so it's the one you actually finish.
Here's what playing it feels like
A real question from this course. Take your best guess.
Why does your brain naturally filter new details to fit what you already believe?
Get it right to open this lesson and 11 more in the app.
How to learn Everyday Cognitive Biases, step by step
Go in order. 12 short levels across 2 sections, about 24 minutes in all, five minutes a day.
- 1
Catching Everyday Mental Traps
- Spotting Confirmation Bias in What You Believe
- Judging Value and Risk: Anchoring and Availability
- Escaping Bad Investments: Sunk Costs and Loss Aversion
- 2
Designing Better Decisions
- Everyday Guardrails Against Thinking Shortcuts
2 sections · 4 units · 12 levels. Built to play, not to enroll.
Questions about Everyday Cognitive Biases
How do I learn Everyday Cognitive Biases?
Go in order: start with Catching Everyday Mental Traps, then Designing Better Decisions. On Tomo that's 12 short levels, about 24 minutes in all, played five minutes a day. Start free and play the first level in under a minute.
Is there a Duolingo-style app for Everyday Cognitive Biases?
Yes. Tomo works like Duolingo: short daily lessons, streaks and quick quizzes. Everyday Cognitive Biases is one of its free courses, and you can type any other topic to get a course of your own.
Is the Everyday Cognitive Biases course free?
Yes. Everyday Cognitive Biases is playable on Tomo's free plan, which doesn't expire. No credit card, no waitlist. Download the app and start your first lesson.
How long does it take to learn Everyday Cognitive Biases?
12 levels across 2 sections, about 24 minutes of play in total. It's built for five minutes a day, so you finish it a little at a time instead of all at once.
Do I need any background to start Everyday Cognitive Biases?
No. It's pitched at a beginner level, so it starts where you are and builds up. If you can tap a phone, you can start.
Tomo is in ChatGPT
Tomo is also a ChatGPT plugin: the same playable courses, built and played inside your chat.
Add Tomo to ChatGPT- What to ask
- “Make me a Tomo course on black holes.” “Turn this chat into a Tomo course.”
- What you get
- Quick questions with instant feedback, hearts and stars, ready to play in about a minute.
- Where it goes
- No sign-up to start. Connect your Tomo account and your streak carries on in the app.
You pick the voice
Everyday Cognitive Biases is taught in the Professor style: clear, structured, thorough. Want a different feel? In the app you can spin up the same topic in any of Tomo's teaching styles. Same facts, totally different vibe.
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Start Everyday Cognitive Biases today.
Download Tomo, search Everyday Cognitive Biases, and play your first lesson in under a minute.