What is it called when individuals must carry both their own children and their elderly parents

This description of the "firm league of friendship" of states is a quotation from the

Ineed your opinion for the question of what is your thoughts on the use of medical marijuana? (social experiment)

Amaster's degree candidate needs to conduct a research project for her master's thesis. she is interested in the types of junk food available to the public. she plans on going to the local convenience stores and asking the owners what types of junk food the store normally stocks and which are the biggest sellers. identifiers will not be collected. this study would fall under which of the following? a. expedited review b. exempt review c. full board review d. not human subjects