Abstract
Apathy can manifest in various neuropsychiatric conditions, as well as in individuals who experience significant stressful life events or suffer from underlying internal medical conditions. The Starkstein Apathy Scale (SAS) is recognized as a reliable screening tool, besides being endorsed by the International Parkinson and Movement Disorder Society to assess apathy in patients with Parkinson's disease. Recently, the Italian version of this scale (SAS-I) has been introduced. Furthermore, normative data have been provided on a large sample of Italian healthy individuals. Here we present the official Italian translation of the SAS, along with clarifications regarding its administration. Also, we supply details concerning the scale's factorial structure, inter-item conditional associations and item performance by using EFA, Network analysis, and IRT modelling for polytomous items.
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