If 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,the study has an error in design termed a(n):
A)history effect
B)maturation effect
C)order of presentation effect
D)guinea pig effect

Question

Quizplus · Accepted Answer

The error in design termed as order of presentation effect occurs when the order in which stimuli (in this case, soft drinks) are presented affects the outcome of the study. In this case, since the new soft drink is always tasted first, it may bias the participant's perception of the competitor's product, leading to inaccurate results.

If a Soft-Drink Company Performs an Experiment with a New