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Media Accessibility Information, Guidelines and Research

Using Captioned Television to Improve the Reading Proficiency of Language Minority Students

This study by the National Captioning Institute analyzes whether comprehensible input in the form of captioned television might influence bilingual students' acquisition of vocabulary and conceptual knowledge in science. Results indicated that subjects who utilized closed captioning consistently outscored others in word knowledge as well as recall of science information. An analysis of word-related and video-related factors suggested that contexts that provided explicit information yielded higher vocabulary gains. Overall, this study documents the power of captioned television in the acquisition of literacy and conceptual knowledge for bilingual students.

Tags: research, captioning, esl

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