Inclusion Criteria:  Psychogeriatric inpatients aged 60+  Exclusion Criteria:  Checking for moderate to severe cognitive impairments (exclusion criterion) using the Mini-Mental State Examination (MMSE; Folstein, Folstein, & McHugh, 1975; Dutch version: Kok and Verhey, 2002), following exclusion criterion applies: a score of less than 21 on the MMSE (excluding dementia or other moderate to severe cognitive impairment) Not fluent in Dutch Having undergone surgery and/or chemotherapy in the last three months.