The nurse has identified a patient situation that may be an area for study. The initial review of the literature helps the investigator to identify what?
a. The number of subjects required for the study
b. The appropriate statistical tests to analyze the data
c. The need to extend knowledge in a particular area
d. The instruments needed to collect data during the study
ANS: C
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A The number of subjects needed for a study is part of methodology, determined after the research question and hypotheses are determined.
B Statistical tests are part of methodology, determined after the research question and hypotheses are determined.
C The initial literature review helps further define the research question by identifying gaps in the literature, the need for replication of prior research, or the need to extend the knowledge base in a particular research area. It also identifies variables essential to consider in refining the research question.
D The instruments to be used in the study part of methodology, determined after the research question and hypotheses are determined.
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