This report summarizes some of the evidence supporting interpretations of scores from the enhanced ACT, focusing on reliability, concurrent validity, predictive validity, and score comparability. The authors argue that the evidence presented in this report supports the interpretation of scores from the enhanced ACT as measures of high school…

The Speed DIAL-4 was developed from the Developmental Indicators for the Assessment of Learning, Fourth Edition (DIAL-4), a screening designed to identify children between the ages of 2 years, 6 months through 5 years, 11 months "who are in need of intervention or diagnostic assessment in the following areas: motor, concepts, language,…

The initial development of a testlet-based algebra test was previously reported (Wainer and Lewis, 1990). This account provides the details of this excursion into the use of hierarchical testlets and validity-based scoring. A pretest of two 15-item hierarchical testlets was carried out in which examinees' performance on a 4-item subset of each…

The College Outcome Measures Project/American College Testing Program (COMP/ACT) Writing Assessment is described, and issues of validity and reliability in the assessment of writing samples using qualitative rating scales are explored. COMP/ACT is composed of three role-playing tasks in the social sciences, natural sciences, and arts, which are…

Conventional mastery tests designed to make optimal mastery classifications were compared with fixed-length and variable-length adaptive mastery tests. Comparisons between the testing procedures were made across five content areas in an introductory biology course from tests administered to volunteers. The criterion was the student's standing in…

The validity and reliability of essay scores were examined by comparing the mean scores assigned to good and poor quality essay responses of different lengths written by high school sophomores. In-service and pre-service social studies teachers graded essay responses to a test question requiring knowledge of the Constitutional provisions for…

The level of confidence in pass/fail decisions obtained with computer adaptive tests (CATs) was compared to decisions based on paper-and-pencil tests. Subjects included 645 medical technology students from 238 educational programs across the country. The tests used in this study constituted part of the subjects' review for the certification…