Which of the following is a characteristic of simple AQI checklist items?

The characteristic of simple AQI (Article Quality Index) checklist items being unique indicates that each checklist item should focus on a specific, distinct aspect of quality in an article or knowledge base entry. When checklist items are unique, they help ensure clarity and precise evaluations without overlap or redundancy. This distinctiveness helps evaluators easily identify whether an article meets a particular standard within the checklist.

In contrast, complexity, ambiguity, and inaccuracy are characteristics that can undermine the effectiveness of checklist items. If items have a complex structure, it can lead to confusion and misinterpretation. Ambiguous points do not provide clear guidance, which can hinder consistent evaluations. Inaccurate data undermines the reliability of the checklist itself, as it would not accurately assess the quality of the articles. Therefore, uniqueness is a desired quality for AQI checklist items to promote clear and effective evaluations.