Answer:
improper research design
Explanation:
Based on the scenario being described within the question it can be said that this example correctly illustrates improper research design. This is a design that unintentionally fails to measure the correct variable that it was initially intended to measure. Such as in this example, the company was trying to measure the future market potential for their new trix product but by comparing their new product with the old one they failed to actually measure how it will perform when introduced in the market.