From Wikipedia, the free encyclopedia. The unit of analysis is the major entity that is being analyzed in a study. It is the 'what' or 'who' that is being studied. In social science research, typical units of analysis include individuals (most common), groups, social organizations and social artifacts.
Exercise is exertion. noun. Exertion is defined as physical or mental effort, or to the use of force or influence. Doing an extremely hard crossword puzzle that taxes your brain is an example of mental exertion.
Sedentary exertional demands are less than light, which are, in turn, less than medium. In addition, RFC generally represents an exertional work capability for all work at any functional level(s) below that used in the table under consideration.