This article describes an approach to test scoring, referred to as "delta scoring" (D-scoring), for tests with dichotomously scored items. The D-scoring uses information from item response theory (IRT) calibration to facilitate computations and interpretations in the context of large-scale assessments. The D-score is computed from the…

Presented are the methodology and results of an equipercentile equating study in which subtests of the following three editions of multiple aptitude test batteries, in widespread use in 1960, were equated to the tests of the Project TALENT test battery: Flanagan Aptitude Classification Tests (1957); Differential Aptitude Tests (1947) and; the…

The nine aptitudes measured by the General Aptitude Test Battery (GATB) are intelligence, verbal aptitude, numerical aptitude, spatial aptitude, form perception, clerical perception, motor coordination, finger dexterity; and manual dexterity. This revised test manual presents: (1) percentile equivalents of aptitude or standard scores for adults,…

The development and norming of a Spanish language edition of the United States Employment Service (USES) General Aptitude Test Battery (GATB) is described. The new edition, called the Bateria de Examenes de Aptitud General (BEAG), was designed to replace an earlier translation, the BGPA, prepared for use in Puerto Rico. Forms A and B were…

Test performance of high school students on the Armed Services Vocational Aptitude Battery (ASVAB), the General Aptitude Test Battery (GATB), and the Differential Aptitude Tests (DAT) was compared. The design of the study provided for information on test intercorrelations, prediction equations for the ASVAB tests from the commercial tests and…