This paper reports on the feedback and assessment practices of Canadian grades 4-8 teachers; the data are drawn from a national study of the teaching of writing at the middle grades in all ten Canadian provinces and two (of three) territories. Respondents were 216 grades 4-8 teachers from rural and urban schools. Data sources were audio-recorded…

The present study introduces and demonstrates a new methodology for item and test bias studies: "moderated differential item functioning (DIF)." This technique expands the DIF methodology to incorporate contextual and sociological variables as moderating or mediating effects of the DIF. Specifically, this paper explores differential…