During the critique of a qualitative research study, the nurse notes the statement, "Saturation was achieved at the completion of 20 interviews." What is the significance of this statement?
a. The investigator should collect additional data.
b. The data collection period has ended.
c. Purposive sampling is now required.
d. Random sampling should be initiated.
ANS: B
Feedback
A There is no need to collect additional data once saturation has been achieved.
B Saturation refers to the end of data collection because the results become repetitive, indicating that no additional knowledge is to be gained by continuing to add participants.
C Purposive sampling is done from the initiation of data collection.
D Random sampling is a characteristic of quantitative research studies.
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