“…Attention centered on interactive and causal links between student background, educational and institutional commitment, and academic and social integration. These studies gave rise to validation analyses that focused on identifying constructs with the best set of complementary variables to maximize model explanation (Cabrera et al, 1992;Cabrera, Nora, & Castaneda, 1993;Braxton, Sullivan, and Johnson, 1997), while others concentrated on the impact of specific factors on retention, such as assimilation courses (Hendel, 2001;Sidle & McReynolds, 1999), selected program major (St. John et al 2004;Mau, 2003), admission status (Laden, Matranga, & Peltier, 1999), student ethnicity and gender (Grandy, 1998;Leppel, 2002), classroom-based learning experiences (Tinto, 1997;Braxton, Milem, & Sullivan, 2000), institutional support services (Lau, 2003), intention to leave (Okun, Benin, & Brandt-Williams, 1996), academic and social integration (Beil, Reisen, & Zea, 1999), and pre-collegiate academic preparation (Cambiano, Denny, & De Vore, 2000). Though most studies examine retention at the first-to-second year stage, when students typically depart, the growing use of survival analysis and event history modeling is expanding the focus of student retention beyond the freshmen year (Murtaugh, Burns, & Schuster, 1999;Ishitani & DesJardins, 2002;DesJardins, 2003).…”