Earning a General Educational Development (GED) credential can have positive results in a student's life including higher wages and better job opportunities. The 2014 version of the GED exam changed the format from a paper-based test to a computer-based test. This change coincided with a 35% decline in the pass rate indicating not all students are…

The family of Weibull distributions was investigated as a model for the distributions of response times for items in computer-based criterion-referenced tests. The fit of these distributions were, with a few exceptions, good to excellent according to the Kolmogorov-Smirnov test. For a few relatively simple items, the two-parameter gamma…

This partially annotated bibliography of journal articles, dissertations, convention papers, research reports, and a few books and unpublished manuscripts provides a comprehensive coverage of work on latent trait theory and practice. Documents are arranged alphabetically by author. The period covered ranges from the early 1950's to the present.…