What are the four methods of administering questionnaires? Briefly explain each using your OWN WORDS. Choose two of these methods, and for each, provide an example of a business using that method to conduct research (do some research and remember to reference!). Why do you think they selected the method they did? Increasing response rates on surveys is a goal of marketers. What are some of the methods used to increase response rates? What is your opinion on them?