Heinrichs, N., Kliem, S., & Hahlweg, K. (2017). Addendum: “Four-year follow-up of a randomized controlled trial of triple P group for parent and child outcomes.” Prevention Science, 18(4), 491–503. Model(s): Triple P - Positive Parenting Program®—Variants suitable for home visiting Does not pass screens Screening conclusion: Home visiting is not a substantial element of the program Study reviewed under: Handbook of Procedures and Standards, Version 1