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Porter, Stephen R. – Online Submission, 2012
Selection bias is problematic when evaluating the effects of postsecondary interventions on college students, and can lead to biased estimates of program effects. While instrumental variables can be used to account for endogeneity due to self-selection, current practice requires that all five assumptions of instrumental variables be met in order…
Descriptors: Statistical Bias, College Students, Educational Research, Statistical Analysis
Mahasinpaisan, Tippaporn – Online Submission, 2011
The purpose of this study was to propose causal model of the relationship among transformational leadership, organizational culture, knowledge management, and organizational performance. A sample of 389 was randomly drawn from instructors of private higher education institutions under the Office of the Higher Education Commission. Data were…
Descriptors: Foreign Countries, Private Education, Higher Education, Causal Models