<![CDATA[This study aims to examine the relationship between loneliness and self-disclosure in early adulthood. Early adulthood is a developmental period characterized by the formation of more intimate interpersonal relationships as well as various social, emotional, and academic demands. In this process, loneliness can be a psychological factor related to an individual’s ability to disclose themselves to others. This study employed a quantitative approach with a correlational design. The participants consisted of 385 young adults aged 18–40 years, recruited using convenience sampling. Data were collected via Google Forms using the UCLA Loneliness Scale (Version 3) and the Self-Disclosure Scale. Data analysis was conducted using simple linear regression. The results indicate a significant negative relationship between loneliness and self-disclosure in early adulthood (β = -0.517; t = -11.819; p < 0.001), with a coefficient of determination (R²) of 0.267. These findings indicate that higher levels of loneliness are associated with lower levels of self-disclosure, and vice versa. Thus, the research hypothesis stating that there is a negative relationship between loneliness and self-disclosure in early adulthood is supported.]]>
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