A popular notion is that people only use about 10 percent of their brains and that the remaining 90 percent has untapped potential. In fact, researchers now know that we use more of our brains than previously thought. The true brain use percentage is closer to: a) 20 percent
b) 75 percent
c) 55 percent
d) 100 percent

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