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Cs Portal > List of citizen science infrastructures > Amazon mechanical turk requester -(2013/11/05)

THIS PAGE DESCRIBE A CITIZEN SCIENCE INFRASTRUCTURE

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IDENTIFICATION

Amazon mechanical turk homepage

• Number of project:
  
• Number of users:

Start date :

• Beta start date : N/A
• End date :

Active projects

Retired projects

ARL crowd sourcing

⇳ Description [[Has project description::According to [ Wikipedia] (nov. 2013), the Amazon Mechanical Turk (MTurk) is a crowdsourcing Internet marketplace that enables individuals or businesses (known as Requesters) to co-ordinate the use of human intelligence to perform tasks that computers are currently unable to do. It is one of the sites of Amazon Web Services. The Requesters are able to post tasks known as HITs (Human Intelligence Tasks), such as choosing the best among several photographs of a store-front, writing product descriptions, or identifying performers on music CDs. Workers (called Providers in Mechanical Turk's Terms of Service, or, more colloquially, Turkers) can then browse among existing tasks and complete them for a monetary payment set by the Requester. To place HITs, the requesting programs use an open Application Programming Interface, or the more limited MTurk Requester site]] ➠ Purpose A platform that allows organizations or individuals to outsource simple tasks (identification, writing, tagging, etc.) to individuals.

While Amazon turk has been primarily designed for industry, it also is used in research, for example in citizen science platforms.

COMMUNITY

COMMUNITY TOOLS

• Communication: forum
• Social Network: N/A
• Main news site: http://aws.amazon.com/mturk/

MEMBERS

• Visibility of member profiles:: N/A
• Member profile elements:

⏣ Description

DEVELOPERS

SOFTWARE

Uses Citizen science software:Amazon mechanical turk API

Provides online tool to create applications: yes

SUPPORT

Provides support team for development: yes

Provides documentation for development and hosting: yes

MAIN TEAM LOCATION

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USA

♜ DEVELOPERS TEAM Official team page:
Leader: Amazon
Contact:
+ Information about the team

OVERVIEW

▣ SYSTEM OVERVIEW

[[Has system overview::According to [ Amazon] (nov. 7 2013), Mechanical Turk allows you to:

• Define your HITs, including the specific output desired, the format of the output, how you display your work items and how much you will pay to have them completed.
• Load millions of HITs into the marketplace to be completed.
• Qualify your workforce: if special skills are required to complete your tasks, you can require that workers pass a qualification test before they are allowed to work on your HITs. Alternately, you can require that a worker has historically completed a minimum percentage of their tasks correctly or a minimum number of previous HITs in order to qualify for your HIT.
• Only pay for quality work. Once your work items have been completed, you have the ability to review the results and accept or reject them. You only pay for accepted work.
• Retrieve the results. Using the web services APIs, developers can retrieve the results and integrate them directly into their applications.]]

	field_project_name	Amazon mechanical turk requester
field_project_purpose
field_home_page_URL
Total number of projects (estimate)
Total individual participants (estimate)
Uses Citizen science software	Amazon mechanical turk API
Programming languages (for custom development)
field_project_start_date
field_comments	[[Has comments::See also [Prolific], a provider for survey participants.]]
[[Has system overview::According to [ Amazon] (nov. 7 2013), Mechanical Turk allows you to: Define your HITs, including the specific output desired, the format of the output, how you display your work items and how much you will pay to have them completed. Load millions of HITs into the marketplace to be completed. Qualify your workforce: if special skills are required to complete your tasks, you can require that workers pass a qualification test before they are allowed to work on your HITs. Alternately, you can require that a worker has historically completed a minimum percentage of their tasks correctly or a minimum number of previous HITs in order to qualify for your HIT. Only pay for quality work. Once your work items have been completed, you have the ability to review the results and accept or reject them. You only pay for accepted work. Retrieve the results. Using the web services APIs, developers can retrieve the results and integrate them directly into their applications.]]	Completion level	Low

Documented projects in this wiki:

My gruelling day as an Amazon Mechanical Turk. Jeremy Wilson

http://www.kernelmag.com/features/report/4732/my-gruelling-day-as-an-amazon-mechanical-turk/

Amazon Mechanical Turk Documentation. Amazon

http://aws.amazon.com/documentation/mturk/

Includes a list of important documentation (HTML/PDF)

Amazon Mechanical Turk Getting Started Guide. Amazon

http://docs.aws.amazon.com/AWSMechTurk/latest/AWSMechanicalTurkGettingStartedGuide/Welcome.html

This guide provides a conceptual overview of Amazon Mechanical Turk for developers who want to write scripts or software applications using the Amazon Mechanical Turk SDKs.

. Paolacci, G., & Chandler, J.

Paolacci, G., & Chandler, J. (2014). Inside the Turk: Understanding Mechanical Turk as a Participant Pool. Current Directions in Psychological Science, 23, 184–188. https://doi.org/10.1177/0963721414531598

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