Which assessment tool is helpful for informal assessment over time?

• A. Verbal check-ins only
• B. End-of-year exam
• C. Portfolio and narrative reports
• D. One-time standardized test

Answer: (C)

Tracking a student’s growth over time relies on gathering evidence across multiple moments to see how learning develops, not just a single snapshot. A portfolio collects a range of student work—drafts and final products, revisions, reading responses, and other samples—that show how understanding and skills progress. Pairing that with narrative reports adds detailed teacher observations and feedback tied to specific goals, creating a lived record of development and the reasoning behind changes in performance. This combination supports informal assessment because it provides ongoing, flexible evidence that can guide instruction and foster student reflection over weeks and months.

Verbal check-ins, while useful, don’t automatically build a durable, organized record of growth unless they’re systematically collected. End-of-year exams and one-time standardized tests capture performance at one moment only, offering a single data point rather than a picture of progress over time.