“…C. González, 2007a, 2007b; McLean, 2007; Skachkova, 2007; Urrieta & Méndez Benavídez, 2007; B. N. Williams & Williams, 2006), analysis of large data sets (Ashraf & Shabbir, 2006; Isaac & Boyer, 2007; Perna, 2003; Perna, Gerald, Baum, & Milem, 2007; Porter, 2007; Toutkoushian, Bellas, & Moore, 2007), and surveys and questionnaires (Hagedorn, Chi, Cepeda, & McLain, 2007; Holcomb-McCoy & Addison-Bradley, 2005; Stanley, 2007a, 2007b; Subervi & Cantrell, 2007; Umbach, 2006). Also, historical research approaches (Weems, 2003) and narrative data analysis (Sámano, 2007; Stanley, 2006) were used during this period (although to a lesser degree).…”