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Modified Work Behavior Inventory assessment: Evaluation of psychometric properties
Jason E Peer1, Joanna E Strong Kinnaman2, Wendy N Tenhula3
1VA Maryland Health Care System, Baltimore VA Medical Center, MD, USA.
Schizophrenia Research. Cognition
|January 24, 2019
Summary
A modified Work Behavior Inventory (WBI) using only supervisor interviews shows reliability and validity for assessing work functioning in schizophrenia patients. This offers a practical alternative to workplace observation in vocational rehabilitation.
Area of Science:
- Psychiatry
- Psychology
- Rehabilitation Medicine
Background:
- The Work Behavior Inventory (WBI) is a validated tool for assessing work functioning in schizophrenia.
- Current WBI assessment relies on workplace observation and supervisor interviews.
- Workplace observation is not feasible in all employment settings.
Purpose of the Study:
- To evaluate the psychometric properties of a modified WBI that relies solely on supervisor interviews.
- To determine the utility of an interview-only WBI for individuals with schizophrenia in vocational rehabilitation programs.
Main Methods:
- The study assessed psychometric properties of a modified WBI.
- Participants were individuals with schizophrenia in VA vocational rehabilitation programs.
- The modified WBI format excluded direct workplace observation.
Main Results:
- The interview-only WBI demonstrated evidence of reliability.
- The modified WBI showed validity in assessing work functioning.
- The assessment was sensitive to changes in work behavior.
Conclusions:
- A WBI format relying exclusively on supervisor interviews is a psychometrically sound and potentially more practical assessment tool.
- This modified WBI can be a valuable instrument for vocational rehabilitation services for individuals with schizophrenia.
- Future research should further explore its application across diverse employment settings.
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