Validity and Reliability: Building Trust in Results
Content experts, job task analyses, and blueprinting provide evidence that items represent the skill domain. Ask, “What inference are we making, and is this item evidence for that claim?” Keep an audit trail showing sources and rationale for continuous improvement.
Validity and Reliability: Building Trust in Results
Small pilots uncover ambiguous prompts and misaligned difficulty levels. Review item difficulty and discrimination, then revise or retire weak items. Collect qualitative learner feedback for clarity issues that statistics alone may miss during early iterations.