The concept of tailored testing for individuals is applied to the construction of tests for special groups and extended to apply to item content as well as item difficulty. It is suggested that evaluators may decide to construct tests on the basis of a unique combination of items drawn from an item bank to fit the need of a particular group. At…

Latent trait model calibration procedures were used on data obtained from a group testing program. The one-parameter model of Wright and Panchapakesan and the three-parameter logistic model of Wingersky, Wood, and Lord were selected for comparison. These models and their corresponding estimation procedures were compared, using actual and simulated…

This report contains 11 tables and 5 figures documenting the results for the General Educational Development (GED) tests in 1992. The tables provide information on the following: testing volumes; percent tested by age group; credentials issued by age group; testing by language; testing by special editions and adaptations; highest grade completed;…

This report contains 13 tables and 13 figures documenting the results for the General Educational Development (GED) tests in 1994. The tables and figures provide information on the following: GED participation and credentials issued--percent change from 1993 to 1994; testing volumes; percent tested by age group; credentials issued by age group;…

This report contains 12 tables and 12 figures documenting the results for the General Educational Development (GED) tests in 1993. The tables and figures provide information on the following: testing volumes; percent tested by age group; credentials issued by age group; testing by language; testing by special editions and adaptations; highest…