Manuscript Details

Bradley, R. H., & Gilkey, B. (2002). The impact of the Home Instructional Program for Preschool Youngsters (HIPPY) on school performance in 3rd and 6th grades. Early Education and Development, 13(3), 301–311.

Model(s): Home Instruction for Parents of Preschool Youngsters (HIPPY)®
Low rating
This manuscript received a low rating because it is a non-experimental comparison group design study that does not satisfy the baseline equivalence requirement.

Study reviewed under: Handbook of Procedures and Standards, Version 1
Study design characteristics contributing to rating
Design Random assignment compromised? Attrition Baseline equivalence Confounding factors? Valid, reliable measures?
Non-experimental comparison group design Not Applicable Not Applicable

Not established on socioeconomic status or outcomes.

None

 Not assessed in manuscripts reviewed under Handbook of Procedures and Standards, Version 1