There is a lack of research on evidence-based intervention in relation to the issue of L2 variations in secondary schools. This study addresses some conceptual problems of L2, proposing a four-quadrant model of language processes. This model provides a framework to identify students' L2 developmental stages. With an action research method, the…

Using a randomized controlled trial, we examined the impact of a teacher professional learning (PL) program on English as a Second Language (ESL) teachers' use of evidence-based instructional strategies for multilingual learners, collaboration with classroom teachers, and incorporation of Latino multilingual learners' cultural wealth into their…

This paper reports the outcomes of an experimental evaluation of "Direct Instruction Spoken English" ("DISE"), an English language curriculum that focuses on developing English speaking, listening, and comprehension skills in English Learners (ELs). Twenty-nine middle schools in three states were randomly assigned to teach…

This paper reports the outcomes of an experimental evaluation of "Direct Instruction Spoken English (DISE)," an English language curriculum that focuses on developing English speaking, listening, and comprehension skills in English Learners (ELs). Twenty-nine middle schools in three states were randomly assigned to teach "DISE"…

Adult education's mission is a critical one. It seeks to provide the large and diverse population of adults who lack basic skills, a high school credential, or English language skills with the competencies they need to be productive workers, family members, and citizens. Federally funded adult education serves learners in three types of programs:…

In 2007, the Columbia University Middle East Research Center (CUMERC), with the support and patronage of Her Majesty Queen Rania Al Abdullah, facilitated the founding of the Queen Rania Teacher Academy (QRTA) to help advance education in Jordan and throughout the Middle East. Through CUMERC, QRTA and Teachers College, Columbia University (TC)…

The 12th iteration of the International Conference on Educational Data Mining (EDM 2019) is organized under the auspices of the International Educational Data Mining Society in Montreal, Canada. The theme of this year's conference is EDM in Open-Ended Domains. As EDM has matured it has increasingly been applied to open-ended and ill-defined tasks…