Lexicon GRP Gross Rating Point = 1% of target group It measures the advertising weight of a campaign, and is define d a s a numbe r o f gros s contact s pe r 10 0 peopl e o f target group. New CIM Urban Universe 5 Main Centers : Brussels, Antwerpen, Gent, Liège, Charleroi 30 Flemish Urban Centres : Aalst, Aarschot, Brugge, Deinze, Dendermonde, Diest, Eeklo, Geel, Halle, HasseltGenk, Herentals , Ieper , Knokke-Heist , Kortrijk , Leuven , Lier , Lokeren, Mechelen, Mol, Oostende, Oudenaarde, Roeselare, Ronse, Sint-Niklaas, Sint-Truiden, Tielt, Tienen, Tongeren, Turnhout 13 Walloon Urban Centres : Arlon, Ath, Eupen, Huy, La Louvière , Marche-en-Famenne , Mons , Mouscron , Namur , Nivelles,Tournai, Verviers, Wavre Frequency Number of times people within the target audience are exposed to an advertising message, an advertising campaign, or a specific media vehicle. Basic media planning formula : Reach X Frequency = GRP OTS / OTH Opportunity To See or Hear Average number of opportunities to see or hear an advertising message for every individual reached within the target group. 190
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