Trace Pale Croissants with Fishbone
Use fishbone categories to investigate a recurring bakery quality defect.
fishbone-map decision-trail before-after Repeated defect Croissants from the lower deck are pale, tight, and slightly greasy on three Fridays in a row, while the same dough looks normal on the upper deck. The defect pattern is specific enough to investigate, but blaming the baker would collapse the search too soon. Fishbone analysis Effect -> categories -> testable causes State the defect, spread plausible causes across categories, then test the branches most supported by evidence. Reflex Blame egg wash or the baker because the defect is visible at the finish. The team tests causes instead of defending opinions. Fishbone thinking widens…
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