Software tools library

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Confidence Intervals Calculator
Small web tool which allows the calculation of confidence intervals for correlations and standardized mean differences (Cohen's d)
Survey on Corporate Financial Policy
This is the electronic version of a corporate financial policy survey, originally developed by John Graham and Campbell Harvey (Financial Executives Institute and Duke's Fuqua School of Business). The electronic version has been developed by Uwe Czienskowski at Max Planck Institute for Human Development in Berlin, Germany. The survey will take you about 15 minutes. Responses will be used only in aggregate.
Hypothesis Testing pilot study
A study by Shabnam Mousavi, Reza Kheirandish and Uwe Czienskowski which aims on understanding the roots of misunderstandings of hypothesis and significance testing