_____________ occur(s)when buyers from outside the test area come into the area to purchase the product being tested,thereby distorting the results of the experiment.
A)Most accurate results
B)Bias
C)Contamination
D)None of the above

Question

Quizplus · Accepted Answer

Contamination occurs when external buyers enter the test area to purchase the product, affecting the experiment's results.

_____________ Occur(s)when Buyers from Outside the Test Area Come into the Area