What is an independent variable in an experiment?
Please select an answer first.
Correct answer: A
The correct answer is The factor that a researcher deliberately changes or controls.
- Identify the AP skill: Determine whether the task asks for analysis, evidence, application, calculation, or evaluation.
- Apply the scoring idea: The independent variable is the proposed cause or treatment whose effect is observed.
- Check the response: The correct answer is The factor that a researcher deliberately changes or controls.
The independent variable is the proposed cause or treatment whose effect is observed.
