... pretest and 92% for the discrete listening posttest. Forthe video listening, interrater reliability was 96% for the pretest and 92% forthe posttest. The nonparametric Wilcoxon Signed-Rank test ... midwestern U.S.rural high school. The participants were seven high school students whoattended this ESL class once a day, in addition to their various academiccontent classes (e.g., English literature, ... posttest video segment.)Data AnalysisThe researcher and a research assistant analyzed the pretest and posttestdata. Both read and rated all the tests independently. For the discrete skills test, ...