Risk, Uncertainty, and Tricks Your Brain Plays

Personal & Social Development · Responsible Decision-Making · ages 11-12

Name ______________________ Date ____________

Which bias makes people think something is more likely just because examples of it come to mind easily?
- Present bias
- Availability heuristic
- Groupthink
What is the main difference between risk and uncertainty?
- Risk means you know the possible outcomes and their odds; uncertainty means you don't know the odds
- Risk is always more dangerous than uncertainty
- Uncertainty only happens in games, risk only happens in real life
Optimism bias means people usually think bad things are more likely to happen to them than to other people.
Circle one: True False
A teen spends saved money on game credits today instead of saving it for a bike next month. Which bias explains this choice?
- Present bias
- Availability heuristic
- Groupthink
Jordan's friends all agree to skip a safety rule on a hike, so nobody speaks up even though Jordan has doubts. What is this an example of?
- Present bias
- Risk
- Groupthink
Teenage brains are wired so that risks can feel more rewarding and less scary compared to adult brains.
Circle one: True False
Two friends disagree about joining a risky sport. One says, 'the data shows injuries are rare, so it's fine.' The other says, 'I still don't want to risk it.' What does this disagreement mainly show?
- Risk and uncertainty are the same thing
- One of them must be bad at math
- Facts alone can't settle every decision - personal values matter too
Maya hears about a plane crash on the news and decides never to fly, even though car crashes are far more common. Which bias is affecting her, and why is it a mistake?
- Optimism bias - she thinks she is safer than other people
- Availability heuristic - the vivid story makes flying feel riskier than it statistically is
- Groupthink - her friends all agree flying is dangerous

Answer key

For grown-ups. Fold this page away before handing over the rest.

Risk, Uncertainty, and Tricks Your Brain Plays W1-mt_JiZ3H90Xg8-s1

Availability heuristic · Vivid or recent examples, like a scary news story, make an event feel common even if it's rare.
Risk means you know the possible outcomes and their odds; uncertainty means you don't know the odds · With risk, like rolling dice, you can name the odds. With uncertainty, the odds themselves are unknown.
False · It's the opposite. Optimism bias makes people think bad things are less likely to happen to them personally.
Present bias · Present bias makes the immediate reward feel much bigger than a future one, even when the future one is worth more.
Groupthink · Groupthink happens when going along with the group feels easier than raising a concern.
True · The brain's reward system develops earlier than the part that weighs consequences, which tilts choices toward risk during the teen years.
Facts alone can't settle every decision - personal values matter too · Both friends can agree on the same facts and odds and still choose differently, because they weigh the risk against different personal values.
Availability heuristic - the vivid story makes flying feel riskier than it statistically is · A dramatic, memorable story pulls attention away from the actual statistics, which is exactly what the availability heuristic does.