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The Starkstein Apathy Scale-Italian Version: An Update.

Ciro R Ilardi1, Maria Sannino2, Giovanni Federico1

  • 1IRCCS SYNLAB SDN, Naples, Italy.

Journal of Geriatric Psychiatry and Neurology
|January 17, 2024
PubMed
Summary

The Starkstein Apathy Scale (SAS) is a reliable tool for assessing apathy. This study presents the official Italian translation (SAS-I) and its psychometric properties in the Italian population.

Keywords:
apathyconstruct validityitem response theorynetwork analysispsychometricsstarkstein apathy scale

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Area of Science:

  • Neuropsychiatry
  • Psychometrics

Background:

  • Apathy is a common symptom in neuropsychiatric disorders, stress, and medical conditions.
  • The Starkstein Apathy Scale (SAS) is a validated instrument for apathy assessment, particularly in Parkinson's disease.
  • The Italian version (SAS-I) and normative data for healthy Italians are now available.

Purpose of the Study:

  • To present the official Italian translation of the Starkstein Apathy Scale (SAS-I).
  • To provide clarifications on the administration of the SAS-I.
  • To analyze the psychometric properties of the SAS-I in an Italian sample.

Main Methods:

  • Exploratory Factor Analysis (EFA) to determine factorial structure.
  • Network analysis to examine inter-item associations.
  • Item Response Theory (IRT) modeling for polytomous items to assess item performance.

Main Results:

  • The study details the official Italian translation and administration guidelines for the SAS-I.
  • Factorial structure, inter-item associations, and item performance were analyzed using EFA, network analysis, and IRT.
  • The findings provide a comprehensive psychometric evaluation of the SAS-I in the Italian population.

Conclusions:

  • The SAS-I is a psychometrically sound instrument for assessing apathy in Italian individuals.
  • This validated scale facilitates the study and management of apathy in various clinical contexts within Italy.
  • The detailed psychometric analysis supports the use of SAS-I for research and clinical practice.