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Computing · Stage 5

Challenge: Bias Detective

Programs & Judgement · challenge · spot bias and misleading data — a one-sided survey, a trick graph, a source that gains — by asking who was asked, what was left out, and who made it

✦ Computing📘 Stage 5 · S5⏱ ~11 min🧒 Ages 9–10★ Free to start
I can spot bias and misleading data.
Start the free lesson →⬇ Printable PDF
Kavi the owl for Computing
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Kavi the Bias Detective

Kavi the owl puts on the detective hat again — but this time the mystery is not a fake photo. It is a headline and a chart that both look very sure of themselves. "'98% of people LOVE Fizzy Juice!'" Kavi reads. "Wow… but wait — who did they ask? Only people already buying the juice! And this graph makes a tiny difference look like a mountain." Kavi taps the magnifying glass. "A bias detective never just trusts the number. I ask three questions: Who did they ask? What did they leave out? And who gains if I believe it?"

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What your child will learn

1Four clues that data might be unfairData can look neat and certain and still be biased (leaning one way) or misleading (made to trick you). A bias detective checks a few clues before believing it. Tap each clue to hear its job.
2The taller bar isn't the whole storyTwo towns were asked: do you like the new park? The graph shows how many people in each town said YES. Oakville's bar is twice as tall — so Oakville loves the park most, right? Not so fast.
3You be the detectiveRead each case, predict your answer, then tap to check. Tap Next test for another.
4Fair & trustworthy, or biased / misleading?Each card is one way of showing data. Decide: is it fair & trustworthy, or biased / misleading? Tap a bin for each one!
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A peek inside

A headline says: '98% of people LOVE Fizzy Juice!' — but the survey only asked people buying Fizzy Juice at the shop. Is that a fair result?
the people were chosen because they were already buying the juice, so of course most of them like it — the survey left out everyone who does not

Try this at home: A survey asks only dog owners: 'Are dogs better than cats?' Is that a fair survey?

Ready to play and learn?

Start the free interactive lesson, or print the handout for screen-free play.

Start the free lesson →⬇ Download PDF

Part of Computing · Stage 5 · S5 on KAVI Academy — a secular, whole-child learning platform for ages 5–12.