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)
Study design characteristics contributing to rating
Design | Attrition | Baseline equivalence | Confounding factors? | Valid, reliable measures? |
---|---|---|---|---|
Randomized controlled trial | High |
Not established on race/ethnicity and SES 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.