Planet Fitness is a franchise with a national chain of fitness centers. Effective August 1st, 2020, all members must wear a face cover while exercising at any Planet Fitness location. Suppose you want to learn how this face-cover requirement can impact outcomes of interest at Planet Fitness. Potential dependent variables may include customer satisfaction, member retention, the number of daily visits by members, or the sale of food and beverages at Planet Fitness.

Pick a dependent variable and provide a description of how an experimental study could be applied to study the effect of the face-cover requirement. Then provide a description for each of the following types of designs: (a) Lab experiment (b) Field experiment (c) Quasi-experiment