[Praktik pengasuhan negatif adalah salah satu penyebab munculnyaperilaku disruptive pada remaja. Positive Parenting Program (Triple P)merupakan salah satu bentuk behavior parent training yang digunakan untukmencegah maupun menangani masalah perilaku, emosi dan perkembangan padaanak, dengan meningkatkan pengetahuan, keterampilan dan kepercayaan diriorangtua terkait proses pengasuhan. Penelitian ini menggunakan desain penelitiansingle case design (N=1), yang bertujuan untuk melihat efektivitas penerapanTriple P untuk membentuk praktik pengasuhan positif pada orangtua dari remajadengan perilaku disruptive. Perubahan kualitas praktik pengasuhan diukur denganmelihat perubahan skor Skala Praktik Pengasuhan, sementara perilaku disruptiveremaja diukur menggunakan Child Behavior Checklist (CBCL). Hasil penelitianmenunjukkan bahwa Triple P mampu menurunkan masalah perilaku disruptiveremaja dengan meningkatkan pengetahuan, keterampilan dan kepercayaan diriorangtua terkait proses pengasuhan;Disruptive behavior in teenager are often caused by negative parentingpractices. Positive Parenting Program (Triple P) is one of behavior parent trainingthat can be used for preventing or reducing behavioral , emotional anddevelopmental problems in children, by enhancing parents’ knowledge, skills andconfidence in parenting practices. This research is a single case design (N=1), thataimed to determine the effectiveness of the application of Triple P to createpositive parenting practices in parent of teenager with disruptive behavior. Theimprovement of parenting practices are measured by Parenting Practices Scale,meanwhile Child Behavior Checklist (CBCL) is used to measure teenager’sdisruptive behavior. The result shows that Triple P is effective for reducingteenager’s disruptive behavior by enhancing parents’ knowledge, skills andconfidence in parenting practices, Disruptive behavior in teenager are often caused by negative parentingpractices. Positive Parenting Program (Triple P) is one of behavior parent trainingthat can be used for preventing or reducing behavioral , emotional anddevelopmental problems in children, by enhancing parents’ knowledge, skills andconfidence in parenting practices. This research is a single case design (N=1), thataimed to determine the effectiveness of the application of Triple P to createpositive parenting practices in parent of teenager with disruptive behavior. Theimprovement of parenting practices are measured by Parenting Practices Scale,meanwhile Child Behavior Checklist (CBCL) is used to measure teenager’sdisruptive behavior. The result shows that Triple P is effective for reducingteenager’s disruptive behavior by enhancing parents’ knowledge, skills andconfidence in parenting practices]