Differential skill functioning (DSF) exists when examinees from different groups have different probabilities of successful performance in a certain subskill underlying the measured construct, given that they have the same ability on the overall construct. Using a DSF approach, this study examined the differences between two native language…

Although the Word Associates Format (WAF) is becoming more frequently used as a depth-of-knowledge measure, relatively little validation has been carried out on it. This report of two validation studies tackles various important WAF issues yet to be satisfactorily resolved. Study 1 conducted introspective interviews regarding students' WAF…

This article explores the effect of raters' background on assessments made in an occupation-specific oral language test, the Japanese Language Test for Tour Guides. Assessments of 51 test candidates made by 33 assessors were compared in order to determine what effect background has on assessments made on both linguistic and "real-world"…