Which of the following is NOT a true statement about data collection in a qualitative research study?

A. The raw data collected in an observational study can be detailed, written descriptions.

B. In phenomenological studies, the researcher will typically use a checklist to record observations of behavior.

C. In some qualitative research designs, the investigator becomes a member of the group being studied.

D. It is common for researchers to change their role as data are collected.