Fairytale Brownies included a survey card in each package of its brownies. If customers answered the open-ended questions and returned the postage-paid reply card within 30 days they were registered in a monthly drawing.

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This method is considered a convenience sampling because it relies on easy-to-reach participants – those who have already purchased the brownies and are willing to respond to the survey.

Fairytale Brownies Included a Survey Card in Each Package of Its