If a food company tests a new product by having one group of experimental subjects taste this product first, and then a competitor's product second, while a second group of experimental subjects tastes the two products in the reverse order, the experimental design has been:
A) counterbalanced.
B) conditioned.
C) pre-tested.
D) double-blinded.

Question

Quizplus · Accepted Answer

This experimental design is counterbalanced because it ensures that any potential effects of order of presentation are balanced out between the two groups of subjects. One group receives the new product first followed by the competitor's product, while the other group receives the competitor's product first followed by the new product. This helps to control for any biases or preferences that may be related to the order of presentation.

If a Food Company Tests a New Product by Having