When AutoBrand455 associates close a sale at dealerships, the associates ask customers to complete a short, five question customer satisfaction survey while still on premises. Customers who complete the survey may opt to be in a monthly draw for a chance to win one $500 VISA gift card.

What is your opinion on this research initiative? Your response should address all the following:

• Population of interest
• Sampling frame
• Risk of bias in any form

Overall advantages / disadvantages