“…One of Moos's most important contributions has been the Ward Atmosphere Scale (WAS), available in different versions for different settings (Moos, 1997). The WAS is a 100-item scale which purports to measure 10 aspects of the social climate of a unit or institution, and is completed by staff and patients (Moos and Houts, 1968). In recent years the Moos scales have been subject to critiques (for an overview, see Schalast et al, 2008), with critics suggesting that item content is outdated, that the time and effort required for completion is too long for repeated clinical use, and that the low internal consistency of some scales, and discrepancies between the scales and the factor structure of the measure are problematic (Rossberg and Friis, 2003a,b).…”