Proficiency with written communication (WC) is critical for success in college and careers. As a result, institutions face a growing challenge to accurately evaluate their students' writing skills to obtain data that can support demands of accreditation, accountability, or curricular improvement. Many current standardized measures, however, lack…

It is sometimes sensible to think of the fundamental unit of test construction as being larger than an individual item. This unit, dubbed the testlet, must pass muster in the same way that items do. One criterion of a good item is the absence of differential item functioning (DIF). The item must function in the same way as all important…

Previous research has studied the effects of different methods of item option weighting on the reliability and concurrent and predictive validity of achievement tests. Increases in reliability are generally found, but with mixed results for validity. Several methods of producing option weights, (i.e., Guttman internal and external weights and…

Based on statistics from the first few administrations of the SAT writing section, the test is performing as expected. The reliability of the writing section is very similar to that of other writing assessments. Based on preliminary validity research, the writing section is expected to add modestly to the prediction of college performance when…

In connection with the new SAT that was introduced in March 2005, research has been under way to investigate the feasibility of providing examinees with score reports that contain feedback on skills measured by the critical reading, mathematics, and writing sections of the test. The main purpose of this study was to estimate the reliability of the…

To assess the stability of the Scholastic Aptitude Test verbal score scale SAT--V, 1963 and 1973 forms of the SAT--V were administered in counterbalanced order to spaced samples of the same group. The 1973 scores were placed on the reporting scale used for the 1963 form. The experimentally derived scores on the 1963 scale were compared with their…