A questionnaire survey anonymous, self-administered was carried out by distributing and collecting questionnaires by mail or a collective survey at a workshop. Construct validity was evaluated by confirmatory factor analysis using SEM. Criterion-related validity was assessed by correlation analysis with the total score of the Beck Depression Inventory. Apathy is defined as the lack of feeling, emotion, interest, concern, and behavior recognition of goals 1. A characteristic lack of motivation, absence of willingness and drive, is the most important factor of apathy. A number of studies in recent years have revealed that apathy is one of the major psychological signs of patients with PD cared for at home 2 , 3 , 4 , 5 , 6 , 7 , 8 , 9.

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Background: : Although the item Starkstein Apathy Scale SAS is recommended to screen for and measure the severity of apathetic symptoms in Parkinson disease PD , the psychometric attributes of this scale have not yet been fully evaluated. Objective: : The authors examined the reliability, factor structure, and discriminant validity of the SAS in nondemented patients with early untreated PD.

Design: : Cross-sectional multicenter population-based study from Western and Southern Norway. Measurements: : Standardized rating scales for parkinsonism and neuropsychiatric symptoms. Both the total score and factor scores of SAS showed fair discriminant validity. Conclusions: : Although the SAS showed fairly good psychometric properties and the exploratory factor analysis suggested a two-factor solution, the results with this PD sample indicate that item 3 is ambiguous and should be considered removed from the scale.

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Gov't Actions. Validation Study Actions. MeSH terms Aged Actions. Cross-Sectional Studies Actions. Factor Analysis, Statistical Actions. Female Actions. Humans Actions. Male Actions. Middle Aged Actions. Reproducibility of Results Actions. Self Report Actions. Full-text links [x] Elsevier Science. Copy Download.


Starkstein Apathy Scale (SAS)

Materials and Methods. Various psychometric attributes of the AS were assessed. Patients AS total score was moderately correlated with Beck Depression Inventory 0. The relative change was 5.


Psychometric Properties of the Apathy Scale in Advanced Parkinson’s Disease




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