Ask Question
15 August, 12:48

Why must an experiment or a survey be controlled? What is the difference between the control group and the experimental group in a controlled experiemnt?

+1
Answers (2)
  1. 15 August, 13:03
    0
    An experiment or survey must be controlled in order to receive accurate results.

    In an experimental group, the independent variable is changed. But in the control group, the independent variable stays the same.
  2. 15 August, 13:12
    0
    In tho control group everything is kept constant.
Know the Answer?
Not Sure About the Answer?
Find an answer to your question 👍 “Why must an experiment or a survey be controlled? What is the difference between the control group and the experimental group in a ...” in 📗 Biology if the answers seem to be not correct or there’s no answer. Try a smart search to find answers to similar questions.
Search for Other Answers