Field Experiment

Detecting Data Fraud: Miles and Miles of Fabrication

*Data Ethics, Statistics / , , , , /

Does signing an honesty pledge at the top or bottom of a document increase honesty? That was the question researchers explored in a field study about reporting on a car’s mileage. But the data from that study may be fake. A post from DataColada.org entitled, “Evidence of Fraud in an Influential Field Experiment About Dishonesty” […]

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Exemplar Study: Tipping in Restaurants (Two-group Design/Simple Experiment)

08. Two-Group Design, 10. t test For Two Independent/Unrelated Samples, Research Methods / , , , , , , , , , /

To evaluate the effect that a helpful message from a server might have on restaurant tips, the server either wrote a message about an upcoming dinner special on the back of the dining check or left it blank. Dining parties who received a check with the helpful message tipped a higher percentage of the final

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