Which type of study would be conducted in order to examine a cause-and-effect relationship between a new technique to relieve pain in infants during a procedure and the amount/degree of pain relief?
1. Exploratory study.
2. Descriptive study.
3. Explanatory study.
4. Pre-experimental study.
3
Rationale 1: An exploratory study is conducted when there is little information known about a topic.
Rationale 2: A descriptive study is conducted when some studies have been conducted on a topic and information asks about the relationship between study variables.
Rationale 3: Explanatory studies are those that search for causal explanations. Enough knowledge exists about the variables of interest that the investigator is able to exercise some degree of control over the research conditions and manipulate one or more of the variables.
Rationale 4: A pre-experimental study is conducted when the researcher has little control over the research design.
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