“…In addition, three indicators of psychological adaptation were selected, that is, self-esteem, life satisfaction, and positive attitude toward the future. Reference correlations derived from research on the full-length version of the loneliness instrument (i.e., the UCLA-R) were taken from the appropriate sources (i.e., Russell et al, 1980, for the self-labelling index of loneliness; Mahon,Yarcheski, Yarcheski, Cannella, & Hanks, 2006, for depressive symptoms; Joiner & Rudd, 1996, for suicidal ideation; Mahon et al, 2006, for self-esteem;and Neto & Barros, 2000, for life satisfaction and general optimism, which was considered a proxy for positive attitude about the future).…”