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| <title>Delta-V: Five-minute usability test</title> | |
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| <a href="/">← Delta-V</a> | |
| <h1>Try Delta-V for five minutes</h1> | |
| <p> | |
| No fluid-simulation expertise is required. Try these tasks without help, | |
| then share what you understood. This is a usability study of the | |
| interface, not a scientific model evaluation. | |
| </p> | |
| <ol> | |
| <li> | |
| Open the landing page. Explain in your own words what you expect this | |
| tool to do. | |
| </li> | |
| <li>Open the prepared example. Explain what the three images show.</li> | |
| <li> | |
| Choose another field. Find its measured error and explain the target | |
| indicator. | |
| </li> | |
| <li> | |
| Move a parameter slider. Describe what changed and whether you | |
| expected the images to change. | |
| </li> | |
| <li>Find a limitation and share a link to your current comparison.</li> | |
| </ol> | |
| <a | |
| class="btn primary" | |
| href="/#simulator?system=shear_flow&sample=sf_Re1e5_Sc1&field=pressure&frame=4&tour=1" | |
| >Start the prepared example →</a | |
| > | |
| <p>When finished, share your observations with the person who invited you.</p> | |
| <h2>For the project owner</h2> | |
| <p> | |
| Recruit 5–10 people, including a mix of people who run simulations and | |
| people who do not. Send this page individually. Let them work without | |
| coaching. Ask permission before recording anything; recordings are | |
| unnecessary for this test. | |
| </p> | |
| <p> | |
| For each participant use an anonymous code (P01, P02…), and record each | |
| task as completed unaided, completed with help, or not completed. Note | |
| the first point of confusion, time to first comparison, whether they | |
| distinguish the two modes, and whether they understand that training | |
| examples do not establish unseen-system performance. Avoid names or | |
| contact details in the result sheet. | |
| </p> | |
| <p> | |
| After five sessions, count recurring problems and prioritize the issues | |
| that stop people completing a comparison. Preserve contradictory | |
| observations. Actual participant sessions have not yet been run; this | |
| page is the test kit. | |
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