Researchers Complain About Changes in Amazon Tool Used for Surveys

This week Amazon changed the terms for a service that has become a standard tool in social-science research, and many scholars are complaining that it will mean higher costs to conduct surveys.

The service is called Mechanical Turk, and it is a marketplace that connects people on the Internet looking for paid piecework with anyone who has a small task and is willing to pay someone to do it. The concept is known as crowd-work, and many researchers have used it to pay strangers small amounts ...