Psychometric Analysis Tools

Professional statistical analysis tools for psychological measurements and research

Cronbach's Alpha Calculator

Upload your data file to calculate reliability statistics and perform detailed item analysis

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Drag and drop your CSV/Excel file here

or

Supported formats: CSV, Excel (.xlsx, .xls)

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Analysis Results

Interpretation Guidelines

  • < 0.50: Unacceptable reliability
  • 0.50 - 0.59: Poor reliability
  • 0.60 - 0.69: Questionable reliability
  • 0.70 - 0.79: Acceptable reliability
  • 0.80 - 0.89: Good reliability
  • >= 0.90: Excellent reliability

Note: These are general guidelines. The acceptable level of reliability may vary depending on the context and purpose of your measurement.