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For variables measured using multiple items or responses, such as a multi-question self-esteem scale, researchers should enter each individual response as a separate variable (column) in the data file rather than combining them manually beforehand. The statistical software can then be used to calculate total or average scores. This approach improves accuracy, makes it easier to detect errors, allows for the assessment of internal consistency, and preserves the ability to analyze individual responses later.

Handling Multiple-Response Measures in Data Files

When a psychological construct is measured using multiple questionnaire items (e.g., a 10-item self-esteem scale), the recommended practice is to enter each individual item response as its own separate column in the data file rather than computing a combined score by hand before data entry.

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