Recruiting participants through gatekeepers has been widely discussed in qualitative research. However, when a sampling frame is not available, surveying through gatekeepers can also be important for quantitative studies. We used three sampling methods to survey guardians of University students: (a) a gatekeeper variant of the time-space sampling,…

Appendix A, "Data Analysis When Students Change from Smaller to Larger Schools between the Pre-test and Post-test of the First Year," discusses a methodological problem involved in planning the approximate number of questionnaires to be administered in program. Appendix B, "Estimates of Sample Sizes and Data Collection Costs," includes five…

To determine the factors that influence interpretation of a research study description, 8 descriptions of research studies were interpreted by 320 undergraduate students in psychology, mathematics, and economics statistics and research methods classes at the University of Victoria (British Columbia, Canada), Millersville University (Pennsylvania),…

Ways that data from four major longitudinal surveys can be used in postsecondary education policy analysis are discussed: the National Longitudinal Survey of Labor Market Experience (NLS-LM), Project TALENT, the Panel Study of Income Dynamics (PSID), and the National Longitudinal Study of the High School Class of 1972 (NLS-HS). The potential use…