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Psychology, language, economics, surveys and populations. 1 free tools, with no sign-up. Nothing you enter leaves your device.

Psychology and psychometrics 1

Reliability and agreementCheck a questionnaire scale with Cronbach's alpha and item statistics, or rater agreement with Cohen's kappa (weighted too), Fleiss' kappa and all six intraclass correlations with 95 % intervals. Matches R's psych package. #40