1. How to Write a Testable Question

2. What is a “Testable Question?” A testable question is one that can be answered by designing and conduction an experiment.

3. How do you Write a Testable Question? Testable questions always have the same format… What is the effect of _____ on ______?

4. How to Turn a Non-Testable Question into a Testable Question Step 1: Read the question carefully. Which brand of shoe makes you run faster Nike or New Balance?

5. How to Turn a Non-Testable Question into a Testable Question Step 2: Determine the cause and the effect in the question. Which brand of shoe makes you run faster Nike or New Balance? In this case, the idea is that the brand of shoe causes your speed to change. So, the shoe brand is the cause, the speed that you run is the effect.

6. How to Turn a Non-Testable Question into a Testable Question Step 3: Plug the cause and the effect into the format… “What is the effect of ____ on ____.” The cause goes in the first blank, and the effect goes in the second blank. So the correct testable question looks like… “What is the effect of shoe brand on running speed?”

7. Practice Problem 1 Non-Testable: Does carbon dioxide in the atmosphere cause the atmosphere to warm?

8. Practice Problem 1 Non-Testable: Does carbon dioxide in the atmosphere cause the atmosphere to warm? Testable: What is the effect of carbon dioxide on atmosphere temperature?

9. Practice Problem 2 Non-Testable: Is achievement in school higher when students are tested frequently?

10. Practice Problem 2 Non-Testable: Is achievement in school higher when students are tested frequently? Testable: What is the effect of testing on student achievement?