The Superworker Sampling Bias on Mechanical Turk
By Aaron Moss, PhD and Leib Litman, PhD When requesters post tasks on Mechanical Turk (MTurk), workers complete those tasks on a first come, first-served basis. This method of task...
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No, Americans are not gargling bleach: How bad survey data inflated estimates in the latest CDC report - and how to prevent this from happening in the future
By Leib Litman, PhD and Zohn Rosen, PhD Data collection online has become standard practice even for major institutions like the CDC, but unless care is taken to ensure subjects...
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Demographics of People on Amazon Mechanical Turk
By Aaron Moss and Leib Litman Amazon Mechanical Turk (MTurk) is a dynamic, ever-changing platform. Each month new people sign up as “requesters” and “workers” and people who once used...
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Conducting Online Research on Amazon Mechanical Turk and Beyond
To successfully conduct online studies, researchers need to understand the differences between participant platforms, how to maintain data quality, how to recruit the right participants, and how to most efficiently...
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Support for Graduate Students Impacted by COVID-19
Global concern over COVID-19 is rapidly reshaping our society, our economy, and our basic human interactions. As a company committed to academic research, we understand the life-altering consequences of pausing...
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Study: Amazon MTurk Remains a High-Quality Source of Research Participants
During the last decade, academic researchers have increasingly turned to the Internet as a fast and efficient way to recruit research participants. The most commonly used platform, by far, has...
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