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With What Ages Is Time Delay Most Effective?


Time delay can be used effectively with learners with ASD, regardless of cognitive level and/or expressive communicative abilities. The evidence base identified in 2007 showed that time delay was an effective intervention for learners with ASD ranging from 6 to 11 years of age. Although the research did not provide enough support for use with preschool- and high school-aged learners, time delay also may be an effective practice with these populations.  Recently, the literature identifies time delay as a practice used in several comprehensive treatment program models for infant and toddles with ASD (Boyd, B.A.; Odom, S.L.; Humphreys, B. P.; & Sam, A. M. (2010)    Therefore, time delay is an evidence-based practice that has been used successfully with a wide age-range of learners with ASD.

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