Tijdschrift voor Psychiatrie 53 (2011) 1, 49 - 55
The inter-rater reliability of the Dutch version of the core. A validation study conducted among depressed elderly in-patients
summary
background Assessment of psychomotor symptoms may lead to better classification of depressive disorders.
aim To test the inter-rater reliability of the Dutch version of core, an observational instrument for psychomotor symptoms.
method The core was used with 37 depressed in-patients and was scored by 5 psychiatrists. Intra-class correlation (icc-agreement) was tested.
results iccagreement of the total score (0.80), and the subscales non-interaction (0.74), retardation (0.70) and agitation (0.79) were sufficient.
conclusion The Dutch version of the core is a reliable instrument.
keywords depression, observational instrument, psychomotor symptoms, validation