This report investigates whether the time between scoring sessions has an influence on operational and nonoperational scoring accuracy. The study evaluates raters' scoring accuracy on constructed-response essay responses for the "GRE"® General Test. Binomial linear mixed-effect models are presented that evaluate how the effect of various…

An Oral Proficiency Interview (OPI) may be evaluated either during the interview procedure (direct-method) or from a tape-made oral interaction (semi-direct method). Such variety in methods of assessment can influence test takers' scores extensively. However, it is not conclusive whether such differences are due to test format or something else.…