The McDVoice Survey is a customer feedback program that helps McDonalds improve its services while rewarding customers for their time. After dining at McDonalds, customers can participate by using the survey code printed on their receipt. Simply visit www.mcdvoice.com survey, enter the code, and answer a series of questions about your experience. The survey focuses on food taste, order accuracy, cleanliness, and staff service. Once completed, you receive a validation code that can be redeemed for free food or special discounts. This makes the survey a win-win for both customers and McDonalds.