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    6+ months

    PrincipleBrand Strategy

    Creativity is a long game and needs a measurement window longer than six months

    Creativity does not drive short-term response. Its impact only arises when campaigns are evaluated over more than six months, and 'topbox' effects - profound business changes - start to emerge over longer horizons still. Measure it in a quarter and you will conclude it does not work.

    Source

    Creativity Matters 2016 - The Business Case for Creative Bravery, Cannes Lions white paper (2016)

    Cannes Lions International Festival of Creativity

    p11, citing The Link Between Creativity and Effectiveness (ADMA, 2013), p4-5

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