Tujuan penelitian ini adalah untuk melihat hubungan antara kualitas attachment ayah-anak dan ibu-anak dengan kualitas persahabatan pada remaja madya. Partisipan pada penelitian ini adalah remaja yang berusia 15 hingga 17 tahun, sebanyak 97 partisipan. Kualitas Attachment pada ayah-anak dan ibu-anak diukur dengan alat ukur Inventory of Parent and Peer Attachment yang disusun oleh Armsden dan Greenberg (1987). Kualitas persahabatan diukur dengan alat ukur Friendship Quality Questionnaire dari Parker dan Asher (1989) yang dibagi menjadi dua dimensi, yakni dimensi kualitas persahabatan positif yang terdiri aspek validation and caring, companionship and recreation, help and guidance, intimate exchange, dan conflict resolution, serta dimensi kualitas persahabatan negatif yang memiliki aspek conflict and betrayal. Hasil utama pada penelitian ini menemukan bahwa kualitas attachment ibu-anak memiliki hubungan yang signifikan terhadap kualitas persahabatan positif dan memiliki hubungan yang signifikan terhadap kualitas persahabatan negatif. Kemudian pada kualitas attachment ayah-anak, ditemukan hasil yang signifikan terhadap dimensi kualitas persahabatan positif, namun tidak signifikan terhadap dimensi kualitas persahabatan negatif.

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This research aimed to see the relationship between the attachment quality of father-child and mother-child with friendship quality among middle adolescence. The participants of this research were 97 adolescents aged 15 to 17 years old. Attachment quality of father-child and mother-child were measured using Inventory of Parent and Peer Attachment which developed by Armsden and Greenberg (1987). The friendship quality was measured using Friendship Quality Questionnaire developed by Parker and Asher (1989) which consists of two dimensions: positive friendship quality that consisting of aspects validation and caring, companionship and recreation, help and guidance, intimate exchange, conflict resolution; and negative friendship quality that having an aspect conflict and betrayal. The main result of this research found that the attachment quality on mother-child significantly correlated with positive friendship quality and also significantly correlated with negative friendship quality Attachment quality on father-child significantly correlated with positive dimension of friendship quality, but it there is no correlation with negative dimension of friendship quality.