A researcher is designing a research study to identify the characteristics of a good nurse manager ...

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Rationale 1: Unstructured interviews are more appropriate for exploratory research where the researcher does not have enough information to formulate questions. When straightforward factual information is desired, structured interviews are appropriate.
Rationale 2: The Delphi technique collects data from a panel of experts.
Rationale 3: A questionnaire is an appropriate data collection strategy to collect data about opinions and attitudes.
Rationale 4: Structured observation would not gather data on what subjects think about a topic.
Global Rationale: