Research synthesis and meta‐analysis (RS/MA) comprise a powerful means of aggregating
empirical findings and advancing knowledge within a given research domain. Several key …

Background Before we outline the major steps and key considerations when conducting a
metaanalysis, the term will be defined in both a narrow and broad sense. The narrower …

Applied linguists are increasingly conducting meta-analysis in their substantive domains,
because as a quantitative approach for averaging effect sizes across studies, it is more …

Meta-analysis has become increasingly popular in second language acquisition research
(SLA) and has provided valuable summative information about a number of key areas …

Meta-analyses play an instrumental role in informing second language (L2) theory and
practice. However, current (ie, classic) approaches to meta-analysis are limited in their …

Meta-analysis has immense potential to summarize L2 research in a systematic manner,
adding clarity to the current status of theoretical claims while providing critical insights and …

Meta-analytic reviews collect available empirical studies on a specified domain and
calculate the average effect of a factor. Educators as well as researchers exploring a new …

Meta-analysis is a statistical method used to synthesize the cumulative effect of an
interventional treatment or a certain relationship that has been subjected to empirical …

This study provides a systematic review of the methodological features of meta-analyses in
second language learning. The synthesis aims to inform how meta-analyses in L2 learning …

In my commentary on this volume, I offer a historical reflection on the status of research
syntheses and meta-analysis in applied linguistics. Following primitive beginnings of such …