Peer feedback in EFL setting has become an interesting area to explore in the past thirty years. This study reviews 16 empirical research studies on offline peer feedback in college EFL writing. There are 4 research questions addressed in this study, namely (1) what types of peer feedback are mostly researched in the past 10 years?, (2) what kinds of research objectives are addressed?, (3) what kinds of data collection and analysis methods are implemented to address the research questions?, and (4) what are methodological challenges reported in the studies reviewed? The researchers employed Norris and Ortega (2006) characteristics of systematic research synthesis and followed a chapter from Adolescent Literacies in a Multicultural Context edited by Cumming (2012). The findings show that there are four criteria of feedback types mainly involved: written/spoken, in-class/out-of-class, anonymous/non-anonymous, and trained/untrained. Most of these studies are designed to explore the students perceptions toward peer feedback processes and products, with qualitative, quantitative, or mixed methodologies. Furthermore, the methodological challenges emerged from these studies are discussed, especially the ethical issues. It is hoped that the research gaps identified in these studies and future research implications provided can shed light on future research in similar areas.

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The overarching research question for this paper is what work has been done on heritage languages worldwide through a language mixing lens. Given the increasing research interest in this topic and the scarcity of previous secondary studies, a systematic review was conducted on the empirical data at the intersection of language mixing and heritage language education, in and out of schools. Thematic analysis and frequency analysis were carried out on qualified empirical sources gathered from Scopus, Web of Science, and Linguistics and Language Behavior Abstracts (LLBA). After sharing backgrounds on heritage language education and language mixing with relative terms and perspectives, the paper presents findings from the review based on 23 peer-reviewed empirical journal articles, focusing specifically on three aspects: (a) the main theoretical approaches and definitions employed for language mixing; (b) the characterization of language mixing for instruction and its impacts on heritage language education; (c) the parent and community language mixing activities for children’s heritage language learning. The limitations of the existing studies and the implications for educators and researchers are later discussed. It is hoped that this article will further our knowledge on this topic and provide pointed implications for future education and research.

With the development of technology, the quantity and quality of electronic devices for students learning English as a second or foreign language (ESL/EFL) are on the rise, especially since the outbreak of the Covid-19 pandemic. To facilitate practices in English language education for students with special needs, the researchers conducted a systematic review of the empirical studies of technology tools for ESL/EFL students with learning difficulties published in the previous two decades. This paper presents the study selection process and findings of the review based on 16 peer-reviewed journal articles and one book chapter. The paper reveals the frequent mental and physical difficulties of English language learning and the typical technology tools employed in and out of class. More importantly, this paper discusses the roles of these technology tools in students’ English language acquisition, specifically their effects on student learning outcomes and the students’ perceptions toward them. With limited primary sources, this paper calls for more attention to the use of technology in English language learning of ESL/EFL students identified as at-risk and with learning disabilities and raises some implications for future research and instructional practices.