The three types of qualitative research are phenomenological, grounded theory, and ethnographic research. Compare the differences and similarities between two of the three types of qualitative studies and give an example of each.three types of qualitative research are phenomenological, grounded theory, and ethnographicThe three types of qualitative research are phenomenological, grounded theory, and ethnographic research. Compare the differences and similarities between two of the three types of qualitative studies and give an example of each. research. Compare the differences and similarities between two of the three types of qualitative studies and give an example of each.