This dissertation explored whether unnecessary linguistic complexity (LC) in mathematics and biology assessment items changes the direction and significance of differential item functioning (DIF) between subgroups emergent bilinguals (EBs) and English proficient students (EPs). Due to inconsistencies in measuring LC in items, Study One adapted a…

Achievement in the learning area of science in Zimbabwe shows significant gaps in comparison to other countries in the global south. Science achievement of bilingual learners has been discussed at different levels, including cultural responsiveness in science teaching, but the emphasis has been placed primarily on the development of science…

In this study, framed within a sociocultural theory of mind, we explore the role of languaging in mediating between students' understanding of a grammatical concept and their written production of the forms related to that concept. The development of scientific concepts, in this case of the concept of voice in French, involves the use of language…

This quantitative study intends to better understand the impact of the location of the first deleted word upon the estimation of text difficulty yielded by successive cloze tests based on random deletion from a single passage. The variation in sampling of language features across five cloze tests based on the same passage is random and thus not…

State leaders, parents, and business people want to be sure that students truly learn what they are being taught in school. Today, basic skills are not sufficient to guarantee that children will find good jobs and become productive citizens. As a result, the Alabama State Legislature passed its Education Accountability Law in 1995. The new…