When determining the number of scale categories to use in a non-comparative itemized rating scale,if individual responses are of interest,or the data will be analyzed by sophisticated statistical techniques,five or more scale categories may be required.

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The Answer of When determining the number of scale categories to use in a non-comparative itemized rating scale,if individual responses are of interest,or the data will be analyzed by sophisticated statistical techniques,five or more scale categories may be required.

When Determining the Number of Scale Categories to Use in a Non-Comparative