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)®
| Design | Attrition | Baseline equivalence | Confounding factors | Valid, reliable measures? |
|---|---|---|---|---|
| Non-experimental comparison group design | Not applicable | Not assessed |
Yes |
Notes
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.