Welcome back. Today, I want to discuss surveys and the questionnaires. What is surveys or questionnaires? Note here, we use the term of surveys and the questionnaires interchangeably. Survey or questionnaire is a list of questions aimed at extracting specific data from a particular group of people. Survey can be powerful user research tools if they are designed appropriately. How to design a survey? First, you need to decide the topic of the survey. Then, define the population and the sample for a survey. Third, create survey questions, we can evaluate and modify survey questions based on five principles. Fourth, send out survey requests. Finally, analyze survey responses. Deciding the topic for the survey is important, because how well you define your main goal of the survey will determined the population, sample, the question asked, and shapes the quality and the usefulness of the responses. Usually, at the very beginning of the survey, we will provide a concise description of the survey goal to your responders. The second step is to define the population and the sample. Based on the topic of your survey, define the requirement of your population. For example, is your target population children? Smartphone users? Heavy users of social media sites? Because it is not always feasible to survey the entire population. You often need to take a representative random sample. One scientific way to determine the sample size is to perform the power analysis. Due to time constraints, I'm not going to talk about details of power analysis here. If you are interested you can Google "power analysis". There are some tools available on the market to make it easier to design online surveys. I used the Survey Monkey and Survey Gizmo. Both of them worked fine for me. There are five principles of designing online surveys. First, the survey should clearly instructed respondents about how to proceed. Second, make your first item in your survey interesting, easily answered, and fully visible. Third, restrain the use of colors so that consistency and readability are maintained. Fourth, present the each question in a format similar to the format normally used on paper. Finally, avoid the differences in the appearance of questions that would differ across platform. So often, before you send out your survey request, you should test your survey in different browsers, in web or in mobile, and in the different operating systems. The next step is to send out survey requests. There are multiple ways you can share your surveys. You can e-mail your survey links to people. You can embed the survey in web pages. You can share survey invitation on social media sites, etc. Finally, analyze survey responses. By analyzing the responses, you can test your hypotheses, or prove your hypotheses, or disapprove your hypotheses. You can answer your questions, uncover trends in the data, and provide guidance to your design. You can watch the "quantitative analysis" in module three for more details about how to analyze survey responses. Takeaways. Survey can be powerful user research tool to extract data from a specific group of users. Five steps to design a survey; first, decide the topic of the survey. Second, define the population sample for your survey. Third, create survey questions. Fourth, send out survey requests, and finally, analyze survey responses. Thank you for watching this video. Hope to see you in the next one.