This manual is designed for those researchers using the databank on classroom process surveys for the population of 13-year-olds in the Second International Mathematics Study. The manual opens with overviews of the study and the databank and states the purpose of the training. In the second section on "Interpretation," the codes, layout, and other documentation points are explained. The third section on "Application" shows the general flow of processing to use the documentation and data files. Finally, a "Practice" section is provided, with exercises related to the data. Appendices pertain to: (1) Analysis of the Cognitive Item Table; (2) International Item Response File; (3) U.S.A. Classroom Aggregate File; (4) Extracts from the Databank; and (5) Weighting and Sampling Errors. (MNS)