A doctoral learner has decided to do a phenomenological study for his/her proposed dissertation research study topic because it is believed to be the best approach to address the research questions. The researcher chooses to conduct individual semi-structured interviews to generate the data. Will this generate the breadth and depth of the data necessary for this design? Why or why not? What challenges might the researcher encounter in collecting data from these sources? Explain. What other data sources should the researcher consider if needed to supplement the interview data? Explain.