Suppose that a soft-drink company performs an experiment with a new type of soft drink in which experimental subjects always taste this new product first, and then taste a competitor's product second. This study has an error in design that is termed a(n):
A) history effect.
B) maturation effect.
C) order effect.
D) guinea pig effect.

Question

Quizplus · Accepted Answer

The study has an order effect, as the order of tasting the products is consistent and can influence the subject's perception and judgement of the second product.

Suppose That a Soft-Drink Company Performs an Experiment with a New