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All Journal Pendas : Jurnah Ilmiah Pendidikan Dasar
Desiana, Salma
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PENGARUH SIBLING RIVALRY TERHADAP KETERBUKAAN DIRI PADA TEMAN SEBAYA Desiana, Salma; Dwi Nurmala, Meilla; Endang Adiningsih, Utami
Pendas : Jurnal Ilmiah Pendidikan Dasar Vol. 11 No. 02 (2026): Volume 11 No. 02, Juni 2026 Produce
Publisher : Program Studi Pendidikan Guru Sekolah Dasar FKIP Universitas Pasundan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23969/jp.v11i02.46619

Abstract

The purpose of this study is to determine the influence  of sibling rivalry on self disclosure to peers. The population in this study is grade VIII students of SMPN 13 Tangerang City. The sampling technique is purposive sampling which produces 76 samples. This study uses a quantitative approach with a correlation method. Normally distributed data with significance values of 0.200 > 0.05. The results of data analysis showed a significant negative influence between sibling rivalry on self disclosure (r = -0.376 and sig 0.001).  The results of the determination coefficient test showed a contribution  of sibling rivalry of 14.2% to self disclosure to peers. Followed by a simple linear regression test, there is a constant value of 88.367 and a regression coefficient value of (-0.239) meaning that if there is no X then Y is 88.367, if there is a 1% increase in sibling rivalry (X) it will decrease self disclosure (Y) by (-0.239). This indicates that the higher the level  of sibling rivalry, the lower the self disclosure experienced by students. The result was that Ha was accepted and Ho was rejected because t counted -3.493 > t table 1.992.
Co-Authors Dwi Nurmala, Meilla Endang Adiningsih, Utami