Tesis ini membahas mengenai penerapan program cognitive behavioral therapy yang didasarkan pada program think good feel good untuk melihat peningkatan self esteem pada remaja putera dengan perilaku menarik diri. Penelitian ini merupakan penelitian single case dengan desain pre test-intervensi-post test. Hasil penelitian menunjukkan bahwa program CBT ini mampu mengubah core beliefdan akhirnya meningkatkanself esteem remaja dengan perilaku menarik diri. Terdapat beberapa saran yang dikemukakan di dalam penelitian ini yaitu terkait dengan perlunya psikoedukasi bagi orangtua dan menjadikan orangtua sebagai co-terapis sehingga meski program berakhir klien tetap mendapatkan dukungan secara sosial.

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The thesis deals with cognitive behavioral therapyprogram application which is based on think good feel good program in order to observe enchanced self-esteemof male adolescent with withdrawal behavior. Research currently held during the thesis preparation is of single case with pre-test-intervention-post-test design. Results obtained reveals that the CBT program is capable of modifying the core belief and thereby enhancing self-esteem of male adolescent with withdrawal behavior. Several suggestions are, then, offered, including parents requiring to have psychoeducation and act as co-therapist that will be continuously providing social support to clients despite the program is terminated.