FAQ: How do instructors describe labelled images in exam questions for students using screen readers?
When using labelled images in exams (e.g., diagrams with parts marked A, B, C), it’s important to ensure screen reader users have equal access to the information.
Recommendations for Describing Labelled Images:
- Describe the overall image clearly:
Example: “This is a diagram of the human brain with five parts labelled A through E.”
- Avoid giving away the answer:
- Do not describe what each label represents, just state that parts are labelled.
Example: “Label A points to a section in the lower left of the brain.” (Only if spatial reference is critical.)
- Refer to labels consistently in your question:
Example: “Which part (A–E) is responsible for memory function?”
- Use alt text or a text description:
If the platform allows, enter alt text with a neutral description (as above).
If more detail is needed, provide a separate long description or offer the labelled parts in a text list format as an accommodation.
For Canvas Exams:
- Upload the labelled image and use the image options to enter alt text like:
“Diagram of a cell with five parts labelled A to E. Refer to these labels in the question below.”
The key is to describe what the student needs to know to answer the question — without giving away the answer; and ensure that screen reader users get the same context.
Recordings
- Introduction to accessibility basics
- Working with images (Faculty examples)
- Creating accessible emails in outlook
- See a demo of Jaws – Screen Reader – in action
- Making videos accessible (Faculty examples)
Asynchronous Sessions (anytime anywhere using Go2Knowledge)
How to use Go2Knowledge: Text Instructions
How to use Go@Knowledge: Video Instructions
Start with these two sessions: