Is a qualitative research method in which an interviewer asks very broad questions that encourage the interviewee to provide details?

True! qualitative (quality) research method is when an interviewer asks broad questionnaire questions or in depth questions that encourage the interviewee to provide details in other words they are open ended questions and they are quality questions

quantitative (quantity) research is the opposite, instead of quality and detailed question; quantity questions are a number of questions that that are focused questions or close ended and not care about the quality of the questions but the amount of questions