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Effectiveness and efficiency of criterion testing versus interviewing for collecting functional assessment
Summary
This study explored factors affecting functional assessment efficiency and effectiveness. Higher client functioning and simpler assessment items improve accuracy, while criterion testing is more costly than interviews.
Area of Science:
- Rehabilitation Science
- Occupational Therapy
- Psychometrics
Background:
- Functional assessment is crucial for determining client needs and treatment efficacy.
- Efficiency (cost/time) and effectiveness (accuracy/validity) are key considerations in assessment design.
- Understanding factors influencing these parameters can optimize assessment protocols.
Purpose of the Study:
- To investigate the impact of client's level of functioning and skill item complexity on functional assessment.
- To analyze the efficiency and effectiveness of different functional assessment methods.
- To provide insights for developing more efficient and effective client assessments.
Main Methods:
- Exploratory study design.
- Comparison of assessment modes (criterion testing vs. caretaker interviews).
- Analysis of assessment efficiency (cost/time) and effectiveness (accuracy/validity).
Main Results:
- Assessment cost varied significantly by mode; criterion testing was over twice as expensive as caretaker interviews.
- Assessment effectiveness (accuracy) improved with higher client functioning levels.
- Simpler skill assessment items were associated with enhanced accuracy.
Conclusions:
- Client functioning level and item complexity are significant determinants of functional assessment outcomes.
- Assessment mode choice critically impacts efficiency, with interviews being more cost-effective.
- Findings support the development of tailored functional assessments balancing efficiency and effectiveness.