Brown, A. L., & Lee, J. (2014). School performance in elementary, middle, and high school: A comparison of children based on HIPPY participation during the preschool years. School Community Journal, 24(2), 83–106.
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 race/ethnicity and SES in the analyzed sample; outcomes not feasible to assess at baseline |
None |
Not assessed in manuscripts reviewed under Handbook of Procedures and Standards, Version 1 |