Case 14 of 20 · Evidence & Research
Evidence in History
🔎 Case Brief #14
You realize that an assumption you held about how historians use evidence might be wrong.
🎯 Your mission
Prove it.
⚡ The twist
Trust the evidence, not the feeling.
What you'll learn · 1 of 4
How do we know what happened 2,000 years ago? Artifacts, documents, buildings, and other evidence! Historians are like detectives of the past.
How historians use evidence is a critical thinking skill that separates careful thinkers from careless ones.
Why does this matter? How historians use evidence is a skill that will help you in school, in friendships, and in solving real-world problems.
What you'll learn · 2 of 4
People who master this skill make better decisions and understand the world more clearly.
Here's the process:
Step 1 — Define the challenge. What exactly are you trying to figure out? Being specific about the question is half the battle.
Step 2 — Gather information. What facts do you have? What might be missing? Not all information is equally useful — focus on what's relevant.
What you'll learn · 3 of 4
Step 3 — Consider multiple options. Don't stop at your first idea. Challenge yourself to think of at least three alternatives. Often the best answer is one you didn't think of immediately.
Step 4 — Evaluate your options. What are the pros and cons of each? What evidence supports each one? Which option has the strongest reasoning behind it?
Step 5 — Make your choice and explain your reasoning.
What you'll learn · 4 of 4
"I think ___ because ___" is the formula. Being able to explain your thinking is just as important as getting the right answer.
Step 6 — Reflect. Was your approach effective? What would you do differently next time? This reflection step is how good thinkers become great thinkers.
Key idea: How historians use evidence
Think about this
You realize that an assumption you held about how historians use evidence might be wrong. How do you handle updating your beliefs in light of new evidence?
How a thinker does it
- 🔍
Define
State the problem or question about how historians use evidence in your own words. Be specific.
- 🧪
Investigate
What evidence or information is available? What might be missing?
- 🧪
Consider Angles
Look at this from at least two perspectives. What would someone who disagrees say?
- ⚖️
Reason It Out
Connect evidence to your conclusion: 'The evidence shows X, which means Y, because Z.'
- ⚖️
Test Your Thinking
Could you be wrong? What evidence would change your mind? Rate your confidence 1-10.
- 🪞
Reflect & Connect
What thinking skill did you use? How could you apply this to something in your real life?
Remember
- 1Master how historians use evidence
- 2Apply evidence & research in real situations
- 3Build habits of evidence & research
Words to know
- Bias
- A tendency to think a certain way that may not be fair
- Perspective
- A particular point of view or way of seeing things
- Evaluate
- Judging how good or effective something is
Solve the case · 1 of 3
Case 1
1 of 3What is the main idea of how historians use evidence?
Solve the case · 2 of 3
Case 2
2 of 3How can you apply evidence & research in daily life?
Solve the case · 3 of 3
Case 3
3 of 3Good critical thinkers always:
Nice work!
You got 0 of 3 right.
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✨ More to explore
🌍 Why this matters: Research shows that evidence research skills are among the top capabilities employers look for. These aren't just school skills — they're life skills.
💬 Talk about it
- Give a real-world example where how historians use evidence would help you make a better decision.
- What's the most common mistake people make with this kind of thinking?
- How does this thinking skill connect to other subjects you study in school?
- If you had to teach this to a younger student, what's the ONE thing you'd make sure they understood?
🏆 Try this week: Find one thing online today and check if it's actually true.
👨👩👧 At dinner: “How do you know when to trust what someone tells you?”
Challenge a friend
Can they solve this case? Share it on IG, TikTok, or WhatsApp.
Ready?
Evidence in History
Prove it.
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