As shown in <image 1>, the Occupy Wall Street movement of 2011 grew to be an international movement. Supporters believe that the economic disparity between the highest economic class and the mid to lower economic classes is growing at an exponentially alarming rate. A sociologist who studies that movement by examining the interactions between members at Occupy camps would most likely use what theoretical approach?
['symbolic interactionism', 'functionalism', 'conflict theory', 'ethnocentrism']