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Differential Effects Of Criteria For Increasing Delay Intervals In Progressive Time Delay, Kaitlin O'Neill

Theses and Dissertations--Early Childhood, Special Education, and Counselor Education

The purpose of the study was to compare the differential effects of response-independent and response-dependent criteria used to determine when to increase to the next delay interval in the progressive time delay (PTD) procedure. An adapted alternating treatments design was used to evaluate the relative efficiency of two variations of the PTD procedure when teaching expressive word identification to elementary-aged boys with moderate to severe disabilities, language impairments, and reading deficits. The participants’ school was closed due to a pandemic prior to completion of the study. Therefore, conclusions about results should be considered in light of this limitation. Results obtained …