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This measure screens for visual attention to scene changes and missed details during brief viewing. The Change Blindness Test is administered as a brief, performance-based task in which respondents identify alterations across images.
It consists of 10 items and typically takes about 2 minutes to complete. Administration and interpretation should consider factors that can affect performance (e.g., situational distraction, visual acuity, and fatigue), and results are best integrated with other clinical or occupational data rather than used in isolation.
The Change Blindness Test has been referenced in the literature by Donald A. Norman. Scores are generally used to characterize change detection performance and to support discussions of attentional functioning in relevant contexts.