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A Meta-Analysis of Co-Teaching Research: Where Are the Data?

Students with special needs are increasingly being served in the general education classroom. Co-teaching is one service delivery option designed to meet those needs. The purpose of this article is to synthesize data-based articles pertaining to co-teaching between general and special education personnel. Of 89 articles reviewed, only 6 provided sufficient quantitative information far an effect size to be calculated. Effect sizes for the individual studies ranged from low (0.24) to high (0.95), with an average total effect size of 0.40. Dependent measures were varied and included grades, achievement scores, and social and attitudinal outcomes. Results indicate that further research is needed to substantiate that co-teaching is an effective service delivery option for students with disabilities.

Annual Goals

Once a child’s needs are identified, the IEP team works to develop appropriate goals to address those needs. Annual goal describe what the child is expected to do or learn within a 12-month period.

What We Know About Correlates of Reading

This research analyzed the combined results of 3 meta-analyses that examined the extent to which a variety of measures of specific abilities related to reading. More than 450 studies were reviewed, and almost 11,000 different coefficients were analyzed. The best predictors of reading proved to be other written language abilities (i.e., abilities involving print). The implications were: (1) Professionals interested in improving literacy skills should focus on teaching written language abilities such as print awareness and book handling, letters, phoneme-letter correspondences, word recognition, alphabet knowledge, and comprehension; and (2) the current interest in the role of nonprint abilities in reading such as phonological awareness, rapid naming, intelligence, and memory might be overemphasized. (PsycINFO Database Record (c) 2004 APA, all rights reserved)(journal abstract)


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Readers are encouraged to copy and share this information, but please credit the National Dissemination Center for Children with Disabilities (NICHCY). NICHCY relies on feedback from users to enhance our collection, development, and dissemination of information. We encourage you to share your ideas and feedback with us! Please contact us at our email address (nichcy@aed.org) or visit the NICHCY Feedback Page at: www.nichcy.org/Pages/Feedback.aspx.

NICHCY thanks our Project Officer, Dr. Judy L. Shanley, at the Office of Special Education Programs (OSEP), U.S. Department of Education.

Publication of this Web resource page is made possible through Cooperative Agreement #H326N030003 between the Academy for Educational Development and the Office of Special Education Programs of the U.S. Department of Education. The contents of this document do not necessarily reflect the views or policies of the Department of Education, nor does mention of trade names, commercial products, or organizations imply endorsement by the U.S. Government.

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