What is the difference between qualitative and quantitative information? How they can be used together? Explain the various ways/formats for someone to collect qualitative data. Interviews. What is important to do prior to the interview, in the beginning of the interview? What types of questions are asked in interviews? What is meant by "probing," and provide some guidelines of how/when to do it. Explain how qualitative data are analyzed. How are conclusions reached as part of a qualitative evaluation