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Barnett, T., Roost, F. D., & McEachran, J. (2012). Evaluating the effectiveness of the Home Interaction Program for Parents and Youngsters (HIPPY). Family Matters, 91, 27–37.

Model(s) Reviewed: Home Instruction for Parents of Preschool Youngsters (HIPPY)®
Manuscript screening details
Screening decision Screening conclusion
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Study design details
Rating Design Attrition Baseline equivalence Reassignment Confounding factors
Low Non-experimental comparison group design Not applicable Established on race/ethnicity, SES, and baseline measures of the outcome None Yes. Data collection was carried out between 2004 and 2006 for the comparison group and between 2009 and 2010 for the intervention group. Because these are non-overlapping periods, the effect of the intervention cannot be distinguished from contextual factors that may have changed between the two periods, such as economic condition.
Study Registration:

Clinicaltrials.gov Identifier: None found. Study registration was assessed by HomVEE beginning with the 2014 review.