The Nurse Researcher Is Attempting to Develop a Purposive Sampling

The nurse researcher is attempting to develop a purposive sampling strategy as part of a research study. What criteria will be used to determine whether the strategy is purposive? (Select all that apply.)

A) Validation of scale with a known-group technique
B) Focus of study population relates to specific diagnosis
C) Focus of study population relates to broad, general topic
D) Effective posttesting of instruments
E) Collection of exploratory data
F) Collection of descriptive data

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