This three-article format dissertation aims to provide evidence of the effect size of the relationship between writing self-efficacy and writing achievement in an empirical study and a meta-analysis, and compare three methods, the averaging method, three-level meta-analysis (3LM), and robust variance estimation (RVE), in handling multiple…

Individual differences factors (IDs) play significant roles in second language (L2) learning. Compared to the general field of SLA, however, little is known in the L2 writing domain regarding the influence of learner factors in L2 writing achievement. Therefore, in this study, I aimed to extend the IDs research in L2 writing by closely examining…

This study explores the effects of a Two-Way Bilingual Immersion (TWBI) program on language majority and minority students. The fundamental hypothesis was that the process of receiving instruction in two languages (English and Spanish) throughout elementary school (i.e., attendance at a TWBI school) would help the native Spanish-speaking students…

A challenge for todays instructional leaders is identifying the most effective method of educating English Language Learners (ELLs) who participate in the English as a Second Language (ESL) program. The primary purpose of the study was to compare the effectiveness of three programs used for ESL students in twelve elementary schools in a Urban…

The current study examined Korean college students' L2 writing development and performance, motivation, and strategies while taking ESL writing classes. The present study expands the literature by examining the effects of various learner characteristics on L2 writing development. The selection and the expected effects of learner variables were…