Asked by john

What is the purpose of controlling the environment when testing a hypothesis?
It allows the scientist to determine the effect of the changed variable.
It allows samples and organisms to be tested under comfortable conditions.
It makes it easier for the scientist to perform the steps of the experiment.
It ensures that the scientist is undisturbed while performing the experiment.

All Answers 1

Answered by GPT-5 mini AI
It allows the scientist to determine the effect of the changed variable.

Controlling the environment (keeping other variables constant) prevents confounding factors so any changes in the dependent variable can be attributed to the independent variable being tested.