Manuscript Details

Fergusson, D. M., Boden, J., Horwood, J., & Zealand, N. (2012). Early Start evaluation report nine year follow-up. Ministry of Social Development.

Model(s): Early Start (New Zealand)
Low rating
This manuscript received a low rating because it is a randomized-controlled trial with high-attrition that does not satisfy the baseline equivalence requirement.

Study reviewed under: Handbook of Procedures and Standards, Version 2
Study design characteristics contributing to rating
Design Random assignment compromised? Attrition Baseline equivalence Confounding factors? Valid, reliable measures?
Randomized controlled trial No High

Not established on race/ethnicity and socioeconomic status in the analyzed sample; outcome(s) not feasible to assess at baseline

No

Yes
Notes from the review of this manuscript

Several findings in this manuscript, including most results from the 9-year sample and the results that used imputation, were also reported in Fergusson et al. (2013), a peer-reviewed journal article, and were reviewed as part of that manuscript.