“…I chose this geographic focus because of the volume of research on the American population. Almost all of the research in this meta-analysis is based on American respondents, but two studies combine Canadian and American respondents, so Canadians are included in some of the analysis (Quan-Haase, Wellman, Witte, & Hampton, 2002;Wellman, Quan-Haase, Witte, & Hampton, 2001). The reason for this geographic focus is to control for exogenous variables, which may affect the observed relationship between Internet use and political engagement.…”