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

Question

Darya [45]

3 years ago

14

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?

Biology

2 answers:

Novosadov [1.4K] · Answer 1 · 2022-01-20T13:18:42+03:00

Novosadov [1.4K]3 years ago

8 0

In tho control group everything is kept constant.

notka56 [123] · Answer 2 · 2022-01-20T10:58:12+03:00

notka56 [123]3 years ago

5 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.