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Questions tagged [mechanicalturk]

Mechanical Turk is crowd sourcing web-service by Amazon Web Services. It provides a marketplace for tasks that can be performed by humans. Requesters publish HITs (Human Intelligence Tasks) that are performed by Workers. AWS provides web based API to create and manage HITs.

Amazon Web Services provides a Requester API and several software development kits for accessing the MTurk API via popular programming languages, including Ruby, .NET, Java, and Python.

The Requester API can also be accessed through:

Documentation:

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Running MTurk HITs on external website

I am implementing a website on which the recruited MTurk workers will perform tasks. I plan to recruit workers using MTurk tasks, using which I will redirect them to an external website for actual work. I have the following questions relating to…
MLister
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In Mechanical Turk, how do you limit to one HIT per worker

I know from communication with Mechanical Turk workers that there is a way to limit the number of HITs a specific worker can complete, but I cant figure out how to do it. Any help would be greatly appreciated!
David Rand
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Using Amazon MechanicalTurk if location is not US?

Amazon Mechanical Turk is a mass-micro outsourcing API, where you can get lots's of small simple tasks (e.g."Is there a shop in this image") done relatively cheaply (e.g. 0.10 U$ per image). Amazon seems to assume that this service is mostly of…
max
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javascript validation/prevent submit form amazon mechanical turk

I am using Amazon survey form template to create a survey. however i would like to use validation. I saw this question however i don't want to use the web services to create the hit but use their template. How can I prevent the form from being…
Dejell
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Rspec Testing of real time results through mTurk

I am creating hits at mTurk through Rspec test code but at the same time i need to test the results which must be send back from mTurk. In order to save complexity testing for every test i'm using VCR to record the HTTP Requests in a cassette. How…
Manish Das
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Require a selection in Amazon Mechanical Turk

I'm trying to use AMT's new crowd-form HTML elements to create a HIT. The documentation for says The following attributes are supported by this element. allow-empty-selection A Boolean switch that, if present, allows no radio…
PurpleVermont
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Mturk Requester and Worker Sandbox

I'd like to create a HIT with MTurk as a Requester and than "test" the same HIT as a worker. Is there anyway I can achieve this ? I know that there is the Requester Sandbox, but after I ran through the Template process, I can not "test publish" it…
digit
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Group HITs into batches in amazon mechanical turk with boto?

I followed this tutorial to create HITs on amazon Mturk. I notice, however, that all my HITs are listed as individual tasks---I have to click on "manage HITs individually" in the upper right, here, rather than see anything under the "batches in…
Mittenchops
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Javascript default keyword

I'm using some existing code and there is this line I don't understand. I only know that default can be used as part of a swtich statement, but didn't know if there is some other use for it. The code works. It's part of TurkIt which is used for…
user994165
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Getting workerId by assignmentId

In Amazon Mechanical Turk, when creating an External Question then it will send you each assignment like…
msha
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How do you specify the requester's workerID in a mechanical turk HIT?

I want to create an mturk HIT that has a URL like so: www.example.com?source=worker_id where worker_id is the worker's ID code. I'm initially going to create these from the mturk web UI, then once I get it working right, from PHP. But I can't…
Dan
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Mechanical Turk - Fetch results for a batch via API

We've created batches of HITs using the Mechanical Turk web interface. Now all we want to do is download the results for a batch using the API, the same way you can download the results for a batch in the web interface using "Download CSV". The…
user1493124
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Creating mTurk HIT from Layout with parameters using boto and python

I am attempting to utilize boto to generate a HIT in mechanical turk. The goal is to use a common layout that is already generated on my mTurk account, and pass it urls of images to iteratively create HITs. The issue is that even with correctly…
fridrik.larusson
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Secret Access Key from AWS for MTurkR

I am attempting to set up the MTurkR R Package for the first time which requires Access Keys, both "Access Key Id" and "Secret Access Key" from AWS see: http://polmeth.wustl.edu/methodologist/tpm_v20_n2.pdf However Amazon recently "removed the…
symbiotic
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Bumping an Amazon Mechanical Turk HIT

We have a web-based game for two players, which we offer via Amazon Mechanical Turk. For each game we need two players that will enter simultaneously, or at most 1 minute apart. We noticed that at the first few minutes after we publish the HIT, we…
Erel Segal-Halevi
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