CAPTION REVIEW — fictional staff-only exercise Not a recording, product test or learner study. REFERENCE SCRIPT This activity is optional. Do not submit it for a grade. The water sample starts at twenty degrees Celsius. CAPTION A This activity is optional. Submit it for a grade. The water sample starts at twenty degrees Celsius. CAPTION B This activity is optional. Do not submit it for a grade. The water sample starts at twenty degrees Fahrenheit. Before reading the key: underline changed meaning and state whether each caption can be used. KEY A deletes the negation and reverses the submission instruction. B changes Celsius to Fahrenheit. Both fail. The reference script supplies corrected words, but does not verify audio timing, speaker identification, player controls or accessibility. CURRENT DECISION Retain reviewed text in the approved system. No learner pilot or accessibility benefit has been demonstrated. Ask the institution's teaching/accessibility/privacy teams about any further proposal. PROPOSAL SHEET — complete from evidence; unknowns remain unknown Specific reader / learner group and educational task: Problem with the current approach, with existing evidence: Current non-AI or already-approved alternative: Proposed change and why it might help: Supporting source / setting / date / measured outcome: Important differences between that evidence and this setting: Tool, account, input material, rights and data destination: Required institutional decisions and responsible people: Quality and accessibility checks / serious-error stop condition: Comparison, outcome definition and missing-data handling: Setup, review, correction and ongoing workload to count: Proposed duration and reason / permissions still required: Decision: keep current approach, investigate, pause or seek approval: Next evidence, owner and review date: