Dr Kwan's Hypothesizes That Allowing Factory Employees to Listen to Music

question 69

Multiple Choice

Dr. Kwan's hypothesizes that allowing factory employees to listen to music while working will improve productivity. After conducting the experiment, Dr. Kwan finds that the group of participants who were allowed to listen to music was more productive than the group who did not, but this difference was not statistically significant. What should Dr. Kwan conclude about the difference between the two groups?

• A) It supports his hypothesis.
• B) He is likely to find the same effect if he replicated the study.
• C) There is an unacceptable chance that the difference is due to random chance.
• D) The experiment was biased.

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Definitions:

Constitutional

Relating to the constitution or composition of something; in a legal context, pertaining to the laws that constitute a government or society.

Double-Blind Studies

Experimental procedures in which neither the subjects nor the experimenters know which individuals are receiving the treatment versus a placebo, to prevent bias.

Placebo Effect

A beneficial effect, produced by a placebo drug or treatment, that cannot be attributed to the properties of the placebo itself, and must therefore be due to the patient's belief in that treatment.

Gender Bias

A predisposition or preconceived notion that leads to unfair treatment or assessment of people based on their gender.