Inclusion Criteria:  Belong to one of the three socio-economic levels according to SIMCE classification (High, Medium and Low). Attend to a primary school of the Municipality of Lo Barnechea, Santiago, Chile. Previous participation in the instruments validations stages. Identification in The Strengths and Difficulties Questionnaire (SDQ) with behavior problems above the 80th percentile. Have Internet access.  Exclusion Criteria:  Attend to a school that is developing or implementing a manualized program for parents associated with the prevention of behavioral problems Participating in a similar study.