Which of the following is not a true statement?
A) The results of an experiment can be influenced by either the expectations of the subject or those of the researcher.
B) The experimental method is the only one that can be used to identify cause-effect relationships between variables.
C) Properly conducted experiments are always free of influence of a researcher's expectations.
D) Ethical considerations can sometimes prevent researchers from using the experimental method even when they want to learn about cause-effect relationships.

Question

Quizplus · Accepted Answer

Properly conducted experiments can control for researcher bias but can never eliminate it completely. The researcher's expectations can still influence the results even if unintentionally.

Which of the Following Is Not a True Statement