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A “Dose-Response” Strategy for Assessing Program Impact in Naturalistic Contexts. Megan Phillips George Tremblay Antioch University Antioch University New England New England Michael Duffin Program Evaluation and Educational
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Megan PhillipsGeorge Tremblay
Antioch University Antioch University
New England New England
Program Evaluation and Educational
Research Associates, Inc.
Presented at the Annual Convention of the Association for Behavioral and Cognitive Therapies, November 18, 2006
were found between program dose and all
outcome measures except two student-level
indices and one educator-level index.
more and less active ingredients of the
program (Figures 1 & 2).
Figure 1. Overall educator practice was analyzed at the super-ordinate level by combining average Likert scale responses for 12 items. The best fit multiple regression line shows that 19% of the variability in survey response is predicted by program dose.
Figure 2. Student attachment to place was analyzed at the super-ordinate level by combining average Likert scale responses for 15 student survey items. The best fit multiple regression line shows that 6% of the variability in survey response is predicted by dose.
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