The Incredible Years Parenting and Child Treatment Programs: A Randomized Controlled Trial in a Child Welfare Setting in Spain.

Incredible Years (IY) is a well-established multicomponent group-based program designed to promote young children's emotional and social competence, to prevent and treat child behavioral and emotional problems, and to improve parenting practices and the parent-child relationship. This study presents the first randomized controlled trial carried out in Spain to test the effectiveness of the Incredible Years Basic Parenting and Small Group Dinosaur Programs in a sample of families involved in child welfare due to substantiated or risk for child maltreatment. One hundred and eleven families with 4- to 8-year-old children were randomly allocated to IY or to a control group who received standard services.