Sort Attribution Claims by Evidence Strength

Sort the attribution statements by evidence strength. Supported by GA4 credit Needs model caveat Requires experiment Unsupported overclaim Paid search received 42% of key-event credit under the selected reporting model Email appears stronger under data-driven attribution than last-click Retargeting caused incremental revenue beyond users who would have bought anyway Organic social deserves zero budget because last-click credit is low Changing lookback windows may change channel credit A geo holdout could test whether YouTube spend lifts branded search

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