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Evaluating Experimental Designs presentiom based on this case

Al Blankenship (of Carter-Wallace) has just given an enthusiastic account of a new technique for evaluating television commercials. Your boss-the marketine research manager for a large food manufacturer-who is in the audience with you, wants you to analyze the technique carefully and make a recomenendation on the use of the technique. The transcript of Blankenship's remarks follows: Jom sopped in ary effice one doy carly this yew, Awrsting widh prograw which discased the pos and cover of the proposed ming hotal of the vete. phome in to myorst a sample of the prodect. Defferencer in Wheir effectiveness. Afy maction nos inoweliaie and posinhe. This was mally Case sure that the name number of pecple had been expesed to nach as / had beren. nos combersome, and that the cumbersoweness night somebos introdure ernor There was sunething a bit sloppy ebout the it would be inpossible so differsetiate between canumerials. cial offes and a way so male the riener pory of leat noverthing punvile the solution The precell is made wiblin a santed time periad in adrasce of the neleriaien stow that is te carry the fest adrentising. The of ithe tose cowmenial is inchaled. the manufactarer. However, it is made as eany as posihle to for this purposs, which includer hit name and addres. The a foug time perind. The poredure meilos it pessuble to consider which is crecial. The dary following the irlecast, at call is made to ronch persaw gnuw. The enty purpose of the call is to drterninie wherticer the