Recent second language acquisition research has demonstrated that language learning is in essence the learning of constructions, or form-meaning pairings. Compared to first language acquisition research, however, our understanding of how constructions in a second language (L2) emerge and develop with proficiency and/or experience is limited.…

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…

Grammatical and lexical cohesion are necessary conditions to guarantee a text's coherence (Halliday and Hasan 1976). Grammatical cohesion is classified into four types of relation: reference, conjunction, substitution, and ellipsis. This study aims to investigate the use of the cohesive device of reference in written discourse produced by…