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Autor: Robert Tomšik

In: Studia Scientifica Facultatis Paedagogicae Universitas Catholica Ružomberok

ISSN: 1336-2232

Ročník: XXIV.

Číslo: 2

Strany: 86-101

Rok vydania: 2025

Vydavateľ: VERBUM – vydavateľstvo Katolíckej univerzity v Ružomberku

Abstract: Loneliness during adolescence is a significant psychosocial factor associated with mental health and overall life satisfaction. One of the most commonly used instruments for measuring loneliness is the Revised UCLA Loneliness Scale (R-UCLA). Despite its widespread use, validated data on its psychometric properties in the Slovak context are lacking. The aim of this study was to examine the factor structure, reliability, and measurement invariance of the R-UCLA in a sample of Slovak adolescents. The research sample consisted of 593 students aged 14 to 19 years (72.3% girls). Confirmatory factor analysis (CFA) using the DWLS method supported a three-dimensional model as the most appropriate (χ²(167) = 410.213; RMSEA = 0.074; CFI = 0.962; TLI = 0.955). Measurement invariance analysis confirmed the equivalence of factor structure and loadings across genders. Cronbach’s α coefficients (0.763 – 0.891) and McDonald’s ω (0.772 – 0.875) indicated satisfactory internal consistency of the individual subscales. The results support the appropriateness of the R-UCLA scale for research and screening purposes during adolescence in the Slovak context.

Keywords: Loneliness. Isolation. UCLA. R-UCLA. Factor Analysis.

Citácia:

TOMŠIK, Robert, 2025. Psychometrické vlastnosti škály osamelosti R-UCLA: Overenie faktorovej štruktúry, vnútornej konzistencie a invariancie merania. In: Studia Scientifica Facultatis Paedagogicae Universitas Catholica Ružomberok. Online. Ružomberok: VERBUM – vydavateľstvo Katolíckej univerzity v Ružomberku, roč. XXIV., č. 2, s. 86-101. ISSN 1336-2232. Dostupné na: