Nievar, A. M., Jacobson, A., Chen, Q., Johnson, U., & Dier, S. (2011). Impact of HIPPY on home learning environments of Latino families. Early Childhood Research Quarterly, 26(3), 268-277.
Study design characteristics contributing to rating
| Design | Attrition | Baseline equivalence | Confounding factors? | Valid, reliable measures? |
|---|---|---|---|---|
| Non-experimental comparison group design | Not Applicable |
Not established on SES or outcomes. |
None |
Not assessed in manuscripts reviewed under Handbook of Procedures and Standards, Version 1 |