But it must be understood, that unless designed otherwise, i.e. unless the Units of Analysis are chosen from all people, most studies are generalizable only for a much narrower population of the people w/in a nation, region, city, etc.
exercising - the activity of exerting your muscles in various ways to keep fit; the doctor recommended regular exercise; he did some exercising; the physical exertion required by his work kept him fit. exercise, physical exercise, physical exertion, workout.
(plural exercises) 1  Any activity designed to develop or hone a skill or ability. The teacher told us the next exercise is to write an essay. 2  Physical activity intended to improve strength and fitness. 3  A setting in action or practicing; employment in the proper mode of activity; exertion; application; use.