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Response Rates: A total of 933 students from two middle schools were invited to participate in the study between December 2014 and May 2015. Of the 933, 167 (17.9%) consented to participation and completed at least one of the two participation surveys. A total of 164 completed Wave 1 Surveys, while 155 completed Wave 2 Surveys. All students who reported being the primary user of 1) an Android, or 2) iPhone and Facebook user were eligible for an electronic capture phase. Of the 167, a total of 75 (47.0%) enrolled in the electronic capture phase, and an additional two students did not complete any surveys but enrolled in only the electronic capture phase. Thus, of the original 933, 8.3% participated in the electronic capture part.