Why are random assignments important in experiments?(1 point)
Responses
They eliminate the possibility of a lurking variable affecting the experiment.
They eliminate the possibility of a lurking variable affecting the experiment.
They decrease the time it takes to conduct the experiment.
They decrease the time it takes to conduct the experiment.
They increase the accuracy of the experiment.
They increase the accuracy of the experiment.
They increase the cost efficiency of the experiment.
They increase the cost efficiency of the experiment.
1 answer
They help to ensure that the groups being compared are similar and any differences observed are due to the treatment being tested.
1 answer