We addressed Deville and Chalhoub-Deville's (2006), Schoonen's (2012), and Xi and Mollaun's (2006) call for research into the contextual features that are considered related to person-by-task interactions in the framework of generalizability theory in two ways. First, we quantitatively synthesized the generalizability studies to determine the…

Outlines research necessary for determining the validity and reliability of Test of Written English, an essay test that directly measures writing ability and complements Test of English-as-a-Foreign-Language's (TOEFL) indirect assessment of writing skills. Research should cover such aspects as construct, criterion-related, concurrent, content, and…

Discusses the role of the Rasch model IRT in evaluating two subtests of the Occupational English test and argues for its use in exploring test constructs and in considering the implications of the empirical analysis presented for the validity of communicative language tests involving speaking and writing skills. (39 references) (Author/JL)