What standard should we use when evaluating suppliers?

Ask whether the evidence is exploratory or suitable for a budget decision. The IAB’s 3 August framework distinguishes directional from decision-grade measurement and organises visibility around presence, prominence, portrayal and persuasion. It provides evaluation criteria rather than ranking particular tools. This is industry guidance, not a regulatory certification of your supplier. (iab.com)

Monthly procurement question: What additional collection or validation would be necessary before we used this report to approve a larger contract?