Opinion-based data is the foundation of qualitative assessments. Qualitative assessments are used in various applications, including asset management, risk management, human reliability analysis, and customer surveys. The usefulness of any qualitative assessment is a function of design, analysis, and administration. This article provides three examples of poor qualitative analysis to avoid and, in turn, improve the effectiveness of your work.
Qualitative Assessment Scales
Likert scales are five-point ordinal scales where participants select a label (or numerical value) that equates to an opinion or attitude. Labels are paired (i.e., agree-disagree, strongly agree-strongly disagree) symmetrically around a neutral center. Today, we see 5-, 7-, and 9-point versions of Likert scales in everything from customer surveys to risk assessments.
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