Collaborative Research: A Longitudinal Randomized Trial Study of Middle School Science for English Language Learners (Project MSSELL)

德克萨斯农工大学和萨姆·休斯顿州立大学为期三年的合作研究项目的目标是提高中学西班牙语英语学习者（ELLs）的科学成就和学术英语语言能力。为了实现这一目标，MSSELL项目将开展一项为期两年的随机试验，对先前由美国教育部教育科学研究所资助的一项为期五年的纵向随机试验研究开发的基于标准的增强型科学课程模型进行纵向评估。该模型由五个主要部分组成：(a)整合到科学课程中的英语语言习得策略，(b)技术辅助教学，(c)每两周一次的教师专业发展，(d)家庭参与，以及(e)辅助专业人员与英语学习者个人合作。在一年级，该项目将根据之前发展阶段的经验和对K-3年级学生的实施，完善和试点该模式。在二年级和三年级，将在五年级和六年级的学生中实施和学习增强的模型。

The goal of this three-year collaborative research project between Texas A&M and Sam Houston State University is to improve the science achievement and the academic English language proficiency of middle school Spanish-speaking English language learners (ELLs). To accomplish this goal, Project MSSELL will conduct a two-year randomized trial longitudinal evaluation of an enhanced standards-based science curriculum model previously developed through a five-year longitudinal randomized trial study funded by the Institute of Education Sciences of the U.S. Department of Education. The model consists of five major components: (a) English language acquisition strategies integrated into the science curriculum, (b) technology-assisted instruction, (c) bi-weekly teacher professional development, (d) family involvement, and (e) paraprofessionals in working with individual ELLs. In Year 1, the project will refine and pilot the model based on learnings from its previous developmental phase and implementation with K-3 grade students. In Years 2 and 3, the enhanced model will be implemented and studied with fifth and sixth grade students.