The Pepsi-Cola Company conducted the "Pepsi Challenge" by randomly assigning individuals to taste either a Pepsi or a Coke. The researchers labeled the glasses with only an "M" (Pepsi) or a "Q" (Coke) and asked the participants to indicate which they preferred. The research showed that subjects overwhelmingly preferred glass "M" over glass "Q." Why can’t the researchers conclude that Pepsi was preferred to Coke?
The Pepsi-Cola Company conducted the "Pepsi Challenge" by randomly assigning individuals to taste either a Pepsi or a Coke. The researchers labeled the glasses with only an "M" (Pepsi) or a "Q" (Coke) and asked the participants to indicate which they preferred. The research showed that subjects overwhelmingly preferred glass "M" over glass "Q." Why can’t the researchers conclude that Pepsi was preferred to Coke?
Chapter11: Product Concepts, Branding, And Packaging
Section11.1: Gaga: Not Just A Lady
Problem 2VC
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Part 2: Please read the following scenarios. For each scenario, identify the confound and suggest how it might be removed in a follow-up experiment.
- The Pepsi-Cola Company conducted the "Pepsi Challenge" by randomly assigning individuals to taste either a Pepsi or a Coke. The researchers labeled the glasses with only an "M" (Pepsi) or a "Q" (Coke) and asked the participants to indicate which they preferred. The research showed that subjects overwhelmingly preferred glass "M" over glass "Q." Why can’t the researchers conclude that Pepsi was preferred to Coke?
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