This manual was written to provide technical information regarding the 2002 Series GED (General Educational Development) Tests. Throughout this manual, documentation is provided regarding the development of the GED Tests, data collection activities, as well as reliability and validity evidence. The purpose of this manual is to provide evidence that the GED Tests are technically sound. This manual is made up of nine chapters, which include the following information: (1) Introduction to the GED Tests and an overview of the GED testing program, including the purposes of the tests and proper uses of test scores; (2) Test specifications and development of the GED Tests; (3) The standardization process, including the norming, scaling, and equating processes; (4) The reliability of the English-language U.S. GED test scores; (5) The validity of English-language U.S. GED test scores; (6) Information and research on accommodations; (7) The development of the English-language Canadian GED Tests, with reliability and validity evidence; (8) The development of the French-language GED Tests, with reliability and validity evidence; and (9) The development of the Spanish-language GED Tests, with reliability and validity evidence. Sixteen appendices are included. (Contains 18 footnotes, 118 tables, and 1 figure.)