In order to determine if differences between experimental and control groups are due to the treatment or to error or chance occurrence,a researcher employs:
A) introspection
B) statistical procedures
C) common sense judgment
D) an animal model

Question

Quizplus · Accepted Answer

Statistical procedures are the best choice to determine whether differences between experimental and control groups are due to the treatment or chance occurrence. These procedures provide numerical values that indicate the probability of obtaining the observed results by chance. Introspection and common sense judgment may be biased and lead to erroneous conclusions, while an animal model may not be relevant to the specific human population being studied.

In Order to Determine If Differences Between Experimental and Control