P&G has developed a new toothpaste that provides tooth and gum protection for twentyfour hours after each brushing. It would like to determine consumers’ responses to this new toothpaste before...

P&G has developed a new toothpaste that provides tooth and gum protection for twentyfour hours after each brushing. It would like to determine consumers’ responses to this new toothpaste before introducing it in the marketplace. If a survey is to be conducted to determine consumer preferences, which survey method should be used and why?