However influential the interdependence hypothesis has become in bilingual research, it still lacks full empirical support. This longitudinal study explores the parallels in the biliteracy development (L1 Spanish and L2 English) of 20 students in a European immersion programme (i.e. CLIL) over a two-year period. A bilingual learner corpus of…

In comparison with younger children, older students tend to be less motivated to read. A literature class that fails to motivate students is one aspect that has often been discussed in this regard. Using data from 405 German ninth graders, we examined how students' book reading is related to intrinsic situational and intrinsic habitual reading…

This study investigated the reading demands of restricted-use items administered to South African grade 9 learners as part of the Trends in International Mathematics and Science Study (TIMSS) 2015. The method proposed by Mullis, Martin and Foy (2013) was used to categorise items into low, medium and high readability groups. The 'knowing' domain…

One challenge teachers have when teaching mixed-ability classrooms is ensuring that each student is appropriately supported and challenged based on their current ability. Tiering is an instructional strategy proposed in the Differentiated Instruction approach to address this issue. This article explores how an English reading course that tiered…

This study assessed ways by which science textbooks can be designed and developed to increase scientific literacy in secondary school students. Here in the research and development method was used. The draft of the new science textbooks was incorporated into school instruction using a non-equivalent control group design with pretest and posttest…

In this article, we report on a teacher-researcher collaboration that emerged from a large study on literacy strategies for diverse classrooms. Using the example of one Year 9 class of ten English as an Additional Language (EAL) students, we trialled language-focussed materials on the topic of Ecosystems as an alternative or adjunct to the…

The purpose of this study is to evaluate readability of 9th and 11th grade geography text-books currently used in schools. As known, one of the most fundamental features in a text-book is the readability of the text by students. In addition, it is also very important that the fluency and suitability of books match age level. In this study, the…