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Tang, Shifang; Tong, Fuhui; Irby, Beverly J.; Lara-Alecio, Rafael; Guerrero, Cindy – Bilingual Research Journal, 2020
Using a low-inference observation instrument, we investigated the effect of an ongoing, intensive, and structured virtual professional development (VPD) based on the fidelity of implementation (FOI) across treatment and control conditions in a randomized controlled trial validation study implemented in 116-bilingual classrooms in seven Texas…
Descriptors: Faculty Development, Bilingual Teachers, Bilingual Education, Computer Simulation
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Lara-Alecio, Rafael; Tong, Fuhui; Irby, Beverly J.; Mathes, Patricia – Bilingual Research Journal, 2009
Using a low-inference observational instrument, the authors empirically described and compared pedagogical behaviors in bilingual and structured English-immersion programs serving Spanish-speaking English language learners in a large urban school district in Southeast Texas. The two programs included both intervention/control of each type during…
Descriptors: Urban Schools, Immersion Programs, Bilingual Education, Second Language Learning
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Lara-Alecio, Rafael; Galloway, Martha; Irby, Beverly J.; Rodriguez, Linda; Gomez, Leo – Bilingual Research Journal, 2004
This article summarizes the results from the first statewide study of two-way immersion (TWI) programs for English language learners. The survey was conducted electronically with 304 Texas bilingual/English as a Second Language directors in districts that serve English language learners. Data are reported for the following research question: What…
Descriptors: Second Language Learning, Bilingual Education Programs, Immersion Programs, English (Second Language)
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Lara-Alecio, Rafael; Parker, Richard; Aviles, Claudia; Mason, Samantha; Irby, Beverly J. – Bilingual Research Journal, 1998
As an alternative form of mathematics assessment for use with limited-English-proficient students, 14 mathematics tasks using manipulatives were administered to 45 Hispanic students in grades 1-3 and readministered 2-3 weeks later. Test reliability and validity, task difficulty, and the relationship among test subscales across grades were…
Descriptors: Alternative Assessment, Educational Assessment, Hispanic American Students, Limited English Speaking
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Bruce, Karen Leigh; Lara-Alecio, Rafael; Parker, Richard I.; Hasbrouck, Jane E.; Weaver, Laurie; Irby, Beverly – Bilingual Research Journal, 1997
A model designed to more accurately describe instructional processes in transitional bilingual classrooms had four dimensions: language content, language of instruction, communication mode, and activity structures. Testing of the observational tool in four fifth-grade transitional bilingual classrooms found high interrater reliability, a need for…
Descriptors: Bilingual Education, Classroom Observation Techniques, Educational Practices, Educational Research
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Lara-Alecio, Rafael; Parker, Richard I. – Bilingual Research Journal, 1994
A pedagogical model for transitional English bilingual classrooms was developed to meet the goals of teacher training and guidance, program evaluation, and empirical validation of bilingual theories. The model defines and integrates theoretical principles useful for pedagogical application in four dimensions: activity structures, language of…
Descriptors: Bilingual Education, Classroom Communication, Educational Principles, Elementary Secondary Education