Cornell University Ergonomics Web
 CUErgo Statistics Helper: Correlation Statistics

What type of data do you want to analyze?
Nominal      Ordinal      Interval or Ratio

NOMINAL DATA (e.g. counts, frequencies)

ORDINAL DATA (e.g. rank data, rating scales with unequal intervals, such as a scale like " poor", "fair", "good").

How did you test your subjects?

INTERVAL or RATIO DATA (e.g. equal interval rating scale, such as a Likert scale, measures, such as inches, degrees etc.) or ratio data (e.g. miles per hour, meters per second).

How did you test your subjects?

Use WebStat for Data Analysis

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