You have observed a coupon placed in a store's newspaper advertisement. You notice that the coupon is for a new brand of paint. The company claims that paint sales for the product were sensational. When interviewed, the company's manager asks you to describe for her what type of study had she completed - in more technical terms. Set up for her the type of pre or true experimental design used proper notation and appropriate descriptions for each notation.
a. Your design with notation is:
b. This design is called?