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PEDAR: Research Methodology  The Road Lsss Traveled? Students Who Enroll in Multiple Institutions
Beginning Postsecondary Students Longitudinal Study
The 2001 Baccalaureate and Beyond Longitudinal Study
Accuracy of Estimates
Item Response Rates
Data Analaysis System
Statistical Procedures
Differences Between Means
Linear Trends
Multivariate Commonality Analysis
Missing Data and Adjusting for Complex Sampling Design
Interpreting the Results
Executive Summary
Full Report (PDF)
Executive Summary (PDF)
 Statistical Procedures: Interpreting the Results

The least squares regression coefficients displayed in the regression tables are expressed as percentages. Significant coefficients represent the observed differences that remain between the analysis group (such as those who co-enrolled) and the comparison group (did not co-enroll) after controlling for the relationships of all the selected independent variables. For example, in table 5, the least squares coefficient for those who co-enrolled is 12.7. This means that compared to those who did not co-enroll, about 13 percent more of the group who co-enrolled would be expected to attain a degree or be enrolled in a 4-year institution, after controlling for the relationships among all the other independent variables.

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National Center for Education Statistics -
U.S. Department of Education