Which statement is true about observation checklists and competency models?

The statement highlighting that only one competency model can be selected per checklist is correct because of the structured nature of observation checklists within performance management systems. When using a checklist to assess performance or skills, it is designed to align specifically with one defined competency model. This approach ensures that the evaluation criteria are clear, focused, and consistent, allowing for precise measurement against that single model.

Adopting one competency model ensures that the behaviors and skillsets being observed and assessed are directly related to that model, fostering more accurate and relevant feedback. This helps avoid confusion and ensures that both the observer and the individual being assessed understand the criteria being used.

In contrast, other choices suggest multiple models can be utilized together, independence from each other, or an absence of requirement for competency models—these would introduce complexity and ambiguity into the evaluation process, undermining the clarity and focus needed for effective performance assessment.