Lullabot Wideband Delphi Estimation Sheet
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How to use this estimation spreadsheet
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1.Clone this spreadsheet and save it somewhere you'll find it again. You may need to re-lock some of the worksheets that are locked here.
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2.Fill out column A in the Master Estimate sheet. What you enter there will magically show up on the developer 1 and developer 2 sheets, for them to reference when they make their own estimates.
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3.Rename the Developer 1 and Developer 2 sheets if you'd like, perhaps to the actual developer's names.
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4.Adjust column headings E-I to match your process - default values are: research, design, development, theming, QA.
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5.Have the developers make their estimates in their own sheets, breaking estimates across columns E-I. Developers should also specify their uncertainty.
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6.The Comparison sheet will show estimates from both developers, including the difference between their high estimates. You may wish to filter column C to spot high values that need discussion.
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7.Once you've reached agreement about the estimates you've produced, copy the agreed-upon estimates to the master estimate sheet. When complete, you can check out the subtotals sheet to account for PM or other fixed costs.
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Note: Cells with a grey background are computed—don't touch 'em.
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