Pengembangan Self - Help Book untuk Menurunkan Tingkat Kecemasan Sosial Remaja (Research and Development Kelas X SMA Negeri 7 Kota Serang)CindyRahmayantiauthorThe development of the Self- Help Book at SMA Negri 7 Serang City was motivated by the lack of media being applied by Guidance and Counseling teachers to stude-nt at SMA Negri 7 Serang City. So there needs to be media or services provided to help the problems of students who experience social anxiety. this research aims to provide a self – help book or self – help book that can be used by students who have teenage social anxiety problems. this research is research with development methods (R&D) using the ADDIE model. these stages include: a) Analysis, b) Design, c) Development, d) Implement, e) Evaluation. the instrument in this research used a questionnaire in the form of a google form and the test subjects were 34 class X.3 students at SMA Negri 7 Serang City. the data processing technique use a likert scale to determine the suitability of the data. the results of the data that have been carried out in the media expert feasibility test are 60%, in the language expert feasibility test they are 94%. From the results of this data, the category “Feasible” is obtained for implementationBF Psychology2026UNIVERSITAS SULTAN AGENG TIRTAYASA;BIMBINGAN DAN KONSELINGThesis