There are two primary control variable that could possibly impact the study are socioeconomic status and computer literacy. The socioeconomic status measure both the economic status and the social status of the individual based on their income, education and occupation. This is a major influence because participant that lower income might have very little or no access to SNS. The second variable test for computer literacy which means that certain participants might know how to access the SNSs better than others due to their understand of the site.
