The aim of the study was to explore same-sex and opposite-sex friendship functions among 12 to 13- and 16 to 17-year-old Hungarian adolescents (n = 304). To explore perceptions of friendship functions, the McGill Friendship Questionnaire (MFQ, 30 items, 6 factors: stimulating companionship, help, intimacy, reliable alliance, self-validation,…

This study aims to adapt Sternberg Triangular Love Scale (STLS) and its revised form of Sternberg Triangular Love Scale-Modified (STLS-M) to Turkish, analyze the validity and reliability of the scales, and assess the psychometric equivalence (measurement invariance) of two scales across groups. The study included two sample groups compromising of…

The study sought to analyze the evidences of validity, factorial invariance and reliability of the scores of the Jealousy Subscale of the Inventory of Emotional Communication in Romantic Relationships (Sánchez, 2012). To that effect, there was a sample of 1176 Peruvian university students who completed the 11 items of the original version. The…

The present study assesses the factor structure, psychometric adequacy, and invariance across sex and age of the Relational Provisions Loneliness Questionnaire (RPLQ). Discriminant validity with an external criterion was also tested. In a sample of Portuguese adolescents, from 7th to 9th grade (N = 817), Confirmatory Factor Analyses (CFA) were…