For a standardized checklist to have test reliability, what must teachers do?

For a standardized checklist to demonstrate test reliability, it is essential for teachers to follow the same specified tasks and procedures consistently. Reliability refers to the consistency of a measure; when teachers use a standardized checklist, the intention is to ensure that every assessment is conducted under the same conditions, with the same criteria applied uniformly.

By adhering to specific tasks and procedures, teachers can reduce the influence of extraneous variables that might otherwise affect the results. This uniformity allows for more accurate comparisons of student performance, as variations in how the checklist is implemented could lead to inconsistent outcomes. Consistency in administration also facilitates the ability to track progress over time and make informed pedagogical decisions based on the assessment data.