“…A validation study of the 15-item version of the COPE Index among nearly 6 000 caregivers of elderly people from six European countries (Germany, Greece, Italy, Poland, Sweden and United Kingdom) revealed three subscales for caregiving with internal consistencies (Cronbach´s α) varying from .64 to .83 (Balducci et al, 2008). Statistically significant correlations between the COPE Index subscales, especially negative impact, and criterion measurements have been as expected and have provided evidence on criterion validity (Balducci et al, 2008;Roud, Keeling, & Sainsbury, 2006).…”