After reading this chapter, you should be able to

7.1 Describe the perspective of qualitative research and explain the criteria of trustworthiness.

7.2 Describe the four possible roles of the qualitative researcher.

7.3 Distinguish between the different types of sampling procedures for qualitative research.

7.4 Identify the different types of data collected in qualitative research.

7.5 Identify and describe three qualitative research designs: phenomenology, ethnography, and case study.