Urbano, R. C., Beck, C., & Stephens, J. (2013). Linking datasets. A practical guide to research using secondary analysis. International Review of Research in Developmental Disabilities, 45, 35-121. doi:10.1016/B978-0-12-407760-7.00002-5 Model(s): Maternal Infant Health Outreach Worker (MIHOW)® Low rating Study reviewed under: Handbook of Procedures and Standards, Version 2