{"id":"prod2-office-weighted-printer-vendor","audience":"office","category":"decisions","track":"productivity","technique":"verification","title":"Score three vendors with your own weights and a correction","free":false,"task":"You're choosing a printer-lease vendor for the office. Weight the scores this way: cost counts x5, service x3, contract terms x2. Write exactly 4 numbered lines: one per vendor showing the math (like 4x5 + 3x3 + 2x2 = 33), then 4. Pick: the winner and one reason under 15 words. Plain text, under 90 words. A score was corrected after the table was made.","materialLabel":"Your comparison table and an email (attached to your prompt automatically)","material":"Printer lease comparison - scored 1 (bad) to 5 (great) by me after the demos\n\nVendor              | Cost | Service | Contract terms\nArlo Office Supply  |  4   |   3     |   2\nBrightPrint         |  3   |   4     |   5\nCorvid Copy         |  2   |   5     |   2\n\nNotes from demos:\n- Arlo: cheapest per page, 36-month lock-in (that's why contract = 2). Tech is 40 min away.\n- BrightPrint: friendly rep, 12-month term with easy exit. Nearest tech was in our building park.\n- Corvid: premium machines, same-day service promise, but most expensive and 48-month term.\n- Everyone in the office liked BrightPrint's touchscreen best.\n\nEmail from Hollis (ops), Tuesday:\n\"FYI, BrightPrint's local technician left and they now cover us from the Riverton depot, 2+ hours away. I'd drop their service score from 4 to 2. Everything else in your table still looks right to me.\"\n","rules":[{"type":"numberedItems","count":4},{"type":"maxWords","max":90},{"type":"plainText"}],"mistakes":[{"title":"Not giving the weights","why":"Without weights, the AI averages the scores or picks the crowd favorite.","fix":"Add: \"Cost counts x5, service x3, contract x2.\"","checks":["r0","r2"]},{"title":"Missing the correction","why":"The table still says 4, and the AI doesn't read the email below it.","fix":"Add: \"Use Hollis's correction: BrightPrint service is 2.\"","checks":["r1"]},{"title":"Hiding the math","why":"The AI states totals without working, so you can't check them.","fix":"Add: \"Show the math on each line, like 4x5 + 3x3 + 2x2 = 33.\"","checks":["r0"]},{"title":"A long comparison essay","why":"The AI writes a table, pros and cons, and a markdown recommendation section.","fix":"Say: \"Exactly 4 numbered lines, plain text.\"","checks":["numberedItems","plainText","maxWords"]},{"title":"Trusting the AI to count words","why":"AI is bad at counting words, so a total word cap usually lands over.","fix":"Cap each part: \"the reason under 12 words.\"","checks":["maxWords"]}],"promptHints":[{"label":"Gives the weights","patterns":["x\\s*5","times 5","weight"]},{"label":"Uses the correction","patterns":["hollis","correct","service.{0,20}\\b2\\b","email"]},{"label":"Asks to show the math","patterns":["show.{0,15}(math|working)","= ?\\d+"]},{"label":"Sets the line count","patterns":["\\b(4|four)\\b.{0,15}lines?"]},{"label":"Caps the length","patterns":["\\d+\\s*words"]}],"hint":"A weighted score is only as good as the inputs. Give the AI your weights, point it to the corrected score, and ask it to show the math so you can check it.","rubricLabels":["Each of the 3 vendor lines shows the weighted math (cost x5, service x3, contract x2) and a total","It uses BrightPrint's corrected service score of 2, so the totals are Arlo 33, BrightPrint 31, Corvid 29","Line 4 starts with 'Pick:' and names Arlo Office Supply"]}