Question

What is the most difficult part of a controlled experiment?

Answer 1

Testing multiple variables is the most difficult part of a controlled experiment.

Step-by-step explanation:

An experiment in which one or some of the factors are varying with respect to time and while the other factors are maintained constant is known as a controlled experiment. More the number of testable variables more will be the issue in obtaining a conclusion, at the same time what would be the factors that should be kept constant will also become a problem. Thus, using multiple variables for examining can become tough in a controlled experiment.

Answer 2

Here is the correct answer of the given question above. The most difficult part of a controlled experiment is when you design and analyze. An example of an area of a controlled experiment where it is difficult is human testing. Hope this answer helps.