All courses

Soft skills

Build Evidence-Based Claims

Learn to tell evidence from opinion, weigh how strong it is, and build a claim you can defend, without overreaching.
Difficulty
Easy
Course duration
12 hours
Interested in this free-access course?

Think of the last time you felt sure about a decision: which phone to buy, whether a new habit was actually working, or who was right in an argument. Now imagine someone asks a simple question: “How do you really know?” For a lot of us, that is the moment the confidence starts to wobble.

We all make claims every day, at work, at home, and online. But there is a real difference between a claim that rests on evidence and one that just sounds convincing. When you cannot tell the two apart, you get talked into weak ideas, and your own good ideas get brushed aside because you cannot back them up.

This is a beginner-friendly course for anyone who wants to think and argue more clearly, with no background required. You will learn to recognize what counts as evidence, judge how strong it is, and assemble it into a claim you can defend, all through short everyday examples rather than technical theory. It is built to be worked through on its own, using nothing more than public information and your own experience.

Ready to stop guessing and start backing your ideas? Sign up now and build claims that hold up.

Learning outcomes

  • Recognize evidence and tell it from opinion
  • Build and defend an evidence-based claim

Requirements

None

Contributors

Instructor

Our Team

OpenClassrooms' Team

Created by

Last updated: 7/17/2026
License

Soft skills

Build Evidence-Based Claims

Difficulty
Easy
Course duration
12 hours
Free-access course