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How Task Features Impact Evidence From Assessments Embedded in Simulations and Games
Russell G Almond1, Yoon Jeon Kim1, Gertrudes Velasquez1
1Educational Psychology and Learning Systems, Florida State University.
Measurement : Interdisciplinary Research and Perspectives
|October 23, 2018
Summary
Evidence-centered design (ECD) allows manipulation of task features to alter assessment item properties. This approach is applicable to both traditional tests and complex simulations, offering valuable insights for assessment development.
Area of Science:
- Educational Measurement
- Psychometrics
- Human-Computer Interaction
Background:
- Evidence-Centered Design (ECD) posits that task features influence item psychometric properties.
- Task features serve multiple roles in assessment, including defining evidence focus and item characteristics.
- Applying ECD to simulations and games presents unique challenges due to integrated game logic.
Purpose of the Study:
- To explore the application of ECD principles to manipulate psychometric properties in assessments.
- To compare how ECD task roles function in conventional tests versus game-embedded assessments.
- To analyze the utility of ECD for embedded assessments in simulations and games.
Main Methods:
- Comparative analysis of a conventional mathematics word problem test and a physics/creativity/conscientiousness assessment in 'Newton's Playground'.
- Examination of how task-feature variables function in both assessment contexts.
- Evaluation of ECD's role in manipulating evidence provided by assessments.
Main Results:
- Task features in ECD can be strategically manipulated to adjust psychometric properties of assessment items.
- ECD principles are adaptable to complex tasks within simulations and games, despite design challenges.
- The study illustrates how task roles function differently in conventional and game-based assessments.
Conclusions:
- ECD provides a framework for understanding and manipulating assessment properties in diverse formats.
- Task features are crucial for tailoring evidence collection in both traditional and innovative assessment environments.
- The ECD approach offers valuable guidance for designing and analyzing embedded assessments in interactive systems.
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