Psychology of Everyday Behavior
Understand the hidden psychological forces driving human actions. Unpack classic real-world experiments to decode why people freeze in emergencies, misjudge friends, fall for pricing tricks, and misremember their own pasts.
Like Duolingo, but for Psychology of Everyday Behavior. Tomo turns the whole topic into a game you play five minutes a day, until it actually sticks.
A short one: 11 levels across 2 sections, about 22 minutes end to end, roughly 4 days at five minutes a day. It moves through Seeing Through Social Illusions and Outsmarting Mental Traps. It starts from scratch.
Free forever · No credit card · iPhone & Android

Key ideas in Psychology of Everyday Behavior
- A lone bystander feels the entire moral weight of an emergency resting on them alone
- As a crowd grows, each person subconsciously assumes someone else has already called for help or will handle it
- Diffusion of responsibility makes people feel less personally accountable in larger groups
- In public, people reflexively hide their own alarm to maintain composure
- When everyone conceals their concern, each person falsely assumes nobody else senses a problem
- Pluralistic ignorance occurs when everyone privately worries while publicly projecting calmness
- When a crisis is ambiguous, people look to others' behavior as evidence for how to act
- Fear of public embarrassment or overreacting prevents individuals from taking the first step
- Copying a crowd's stillness is a shortcut to avoid looking foolish
- Calling out 'Someone call 911!' fails because responsibility diffuses across the entire crowd
- Singling out one person by a distinct physical trait (like clothing) pins 100% of the responsibility squarely on them
- People instinctively blame others' mistakes on personality or character flaws
- People justify their own identical mistakes using external circumstances like traffic or bad luck
- The Fundamental Attribution Error describes this automatic habit of overlooking another person's situation
- When acting, our visual attention is directed outward at obstacles and environmental pressures
- When watching others, their physical body and behavior dominate our field of vision
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 Psychology of Everyday Behavior 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.
You see someone slip and drop their groceries on an empty street. Why do you feel an instant urge to help?
Get it right to open this lesson and 10 more in the app.
Where Psychology of Everyday Behavior takes you
- 1
Seeing Through Social Illusions
- Why We Freeze in Crowds
- Why We Blame People Instead of Context
- 2
Outsmarting Mental Traps
- How Choices Are Steered Behind the Scenes
- Why Our Memories Rewrite the Past
2 sections · 4 units · 11 levels. Built to play, not to enroll.
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
Psychology of Everyday Behavior is taught in the Bestie style: your friend who just gets it. 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 Psychology of Everyday Behavior today.
Download Tomo, search Psychology of Everyday Behavior, and play your first lesson in under a minute.