1. Introduction / Thomas L. Hilton
2. General problems in using results from two or more data bases / Thomas L. Hilton
3. Pooling questionnaire and test data from three national surveys : an example involving project TALENT, the Coleman study, and NLS / William B. Schrader and Thomas L. Hilton
4. Equating test results from two national surveys : a study of the SAT score decline / Albert E. Beaton, Thomas L. Hilton, and William B. Schrader
5. Merging data from three data bases with common members : an example involving SAT scores, ASVAB scores, and HS & B data / Thomas L. Hilton, William B. Schrader, and Albert E. Beaton
6. Pooling results from two national surveys : a study of national trends in spatial-visual ability / Thomas L. Hilton
7. Estimating ability in the college-bound population from a self-selected sample / Spencer S. Swinton
8. Aggregating data from two testings of the same cohort : do NAEP means predict later SAT means for the same cohort of students? / Susan Urahn
9. Pooling results from two cohorts taking similar tests, part I : dimensions of similarity / Thomas L. Hilton
10. Pooling results from two cohorts taking similar tests, part II : factor structure and IRT equating / Donald A. Rock
11. Estimating change in enrollments from two national surveys eight years apart / Thomas L. Hilton and Judith Pollack
12. Merging data from two data bases without common members : a proposal / Thomas L. Hilton
13. Pooling data from two longitudinal cohorts : some problems and solutions / Valerie E. Lee
14. Drawing educational implications from multiple data bases / William W. Turnbull
15. Summary and conclusions / Thomas L. Hilton.