The best experiments are conducted when one of the following conditions exist?
A)All variables are allowed to act freely.
B)All variables are held constant except the ones manipulated.
C)All factors provide the desired result.
D)All subjects are unpaid volunteers.

Question

Quizplus · Accepted Answer

The best experiments are conducted when all variables are held constant except the ones manipulated. This allows for a controlled experiment where the only factor influencing the outcome is the variable being tested. Allowing all variables to act freely can lead to confusion and inconsistency in results, and the successful outcome of an experiment is not dependent upon whether subjects are paid or unpaid volunteers. The notion of all factors providing the desired result is unrealistic and not necessarily indicative of a well-designed experiment.

The Best Experiments Are Conducted When One of the Following