This cross-sectional study aimed to explore the nature and the patterns of lexical growth in content and language integrated learning (CLIL) and non-CLIL learners across three successive academic years. To pursue the purpose of the study a total of 110 female students of six classes in 3rd, 4th, and 5th grades in both bilingual and monolingual…

This paper examined to what extent causal explanation speaking tasks (CESTs) are cognitively appropriate for assessing young language learners' (YLLs) L2 speaking. Ninety-six YLLs (48 from Grade 4 and 6 each) in China performed two CESTs in both L1 (Chinese) and L2 (English). They also completed receptive and productive L2 vocabulary size tests.…

The Next Generation Science Standards (NGSS) require students to use language in different ways. Expressive and receptive language skills are necessary to participate in the standards-based scientific practices of asking questions, constructing explanations, and engaging in arguments from evidence during scientific discussions. Participating in…

Reform initiatives around the world are reconceptualising science education by stressing student engagement in science practices. Yet, science practices are language-intensive, requiring students to have strong receptive and productive language proficiencies. It is critical to address these rigorous language demands to ensure equitable learning…