As the content knowledge of English language learners and immigrant students is assessed in their less proficient language, the validity and fairness of assessments related to those students have been widely discussed. However, such assessment issues have not received much attention in rapidly expanding bilingual education programmes, where…

This paper compares direct measures of content knowledge for students studying Chemistry through English Medium Instruction (EMI) and Japanese Medium Instruction (JMI). It also examines a range of contextual differences between the two mediums of instruction. A total of 53 undergraduate students undertook pre-post course content tests at 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…

We investigated whether consensus-based test translation review procedures can be used effectively in cultural contexts with high social stratification. We staged two test translation review panels in China -- where social stratification may potentially inhibit individuals' ability to express opinion and disagreement. We adapted a consensus-based…