TESOL Quarterly {Ans: contains current scholarly work and research related to teaching ELLs in North America and abroad}Two-way immersion program {Ans: goal to develop proficiency in the student's first language and in a second language; 50% native English speakers, 50% ELL}SIOP - Sheltered Instruction Observation Protocol {Ans: Program model for teaching grade-level content in a way that is understandable for ELL students while at the same time promoting their English language development}Newcomer program {Ans: designe to meet the needs of incoming ELL students with low-level English literacy skills}ESP - English for Specific Purposes {Ans: English courses created for specific workplace language requirements}Teacher research {Ans: research conducted by teachers and often connected with the concept of teacher development -- the main feature is that it is conducted by a teacher}