Nursing Research Analyzing Qualitative Data Qualitative Data, Essay

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Nursing Research

Analyzing Qualitative Data

Qualitative data, which usually consists of narrative materials (Polit & Beck, 2008, p. 507), is analyzed by three major styles. Template analysis involves development of a guide to which gathered data is applied and adjustment of the guide as more data is applied. This method tends to be interpretive rather than statistical. Editing analysis involves interpretation of data for "meaningful segments," then development of a category scheme with codes according to those segments, then a search for patterns that may connect the categories. Immersion/crystallization analysis is a reflective, subjective interpretation of data by the researcher's immersion in the data, and is rarely used in nursing research (Polit & Beck, 2008, p. 508).

Quality and integrity in qualitative studies are significant issues for the health care industry and have been addressed by numerous theorists. One synthesized method to probe quality and integrity employs primary and secondary criteria for scrutiny during studies and during post hoc assessments of studies. Primary criteria during both phases consist of probing questions regarding: credibility, authenticity, criticality and integrity. Secondary Criteria during both phases involves probing questions regarding: explicitness; vividness; creativity; thoroughness; congruence and sensitivity (Polit & Beck, 2008, p. 541).

Three statistical processes for use with data are categorizations of data according to Nominal, Ordinal and Interval measurements.

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Nominal measurement, the lowest and strictly quantitative measurement, assigns numbers to categorize characteristics, for example, gender, religious affiliation and marital status (Polit & Beck, 2008, pp. 556-557). Ordinal measurement sorts and ranks objects according to set criteria but does not meaningfully measure differences between different rankings, for example, the Shin study's arrangement of data according to rankings of "precontemplation, contemplation and active" criteria. Interval Measurement also uses rank-ordering and additionally employs "equivalent distance" between the ranks, allowing measurement of the differences between ranks (Polit & Beck, 2008, pp. 557-558).

Two ways to determine the effectiveness of statistics are Absolute Risk Reduction and Relative Risk Reduction. Absolute Risk Reduction essentially compares two risks by subtracting the absolute risk ("the proportion of people who experienced an undesirable outcome in each group" (Polit & Beck, 2008, p. 572)) for a treated group from the absolute risk for an untreated group. For example, David A. Alter's Therapeutic lifestyle and disease-management interventions: pushing the scientific envelope (Alter, 2007) measured the difference in global health risk between cigarette smokers who received smoking cessation intervention vs. cigarette smokers who received no such intervention. Relative Risk Reduction shows the proportion of untreated risk reduced through intervention and uses a formula whereby the Absolute Risk Reduction is divided by the absolute risk.....

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