Assessment conducted during learning to improve student performance is

Diagnostic assessment occurs during learning to identify strengths misconceptions and skill gaps so instruction can be adjusted quickly. Examples include short probes think alouds mini whiteboard checks and error analyses. Unlike summative tests the aim is support not judgment. Results drive flexible grouping targeted practice and immediate feedback. In literacy programs diagnostics locate phonemic issues vocabulary needs or comprehension barriers. Sharing simple results with learners builds metacognition so they can choose strategies. Over time frequent low stakes diagnostics improve retention confidence and equity because help reaches students before frustration grows.