TurkPrime Blog

TurkPrime Blog

Dynamic Secret Completion Codes for SurveyMonkey

Posted by Tzvi Abberbock on Dec 2, 2016 1:04:00 PM

What is the completion rate and dropout rate?

Dropout rate is defined as the percentage of participants who start taking a study but do not complete it. Dropout rate is sometimes referred to as attrition rate, and is the opposite of completion rate (dropout rate = 100 – completion rate). On MTurk, completion rate is defined as the number of Workers who submit a HIT divided by the number of Workers who accept the HIT. Note that, for the definition of completion rate used here, Rejected Workers are counted as completes.

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Topics: amazon mechanical turk, autoapproval, completion code, dynamic, mturk, secret code, surveymonkey, turkprime

New Safety Feature: Assignment Rejections are not Automated and Require Manual User Action

Posted by Jonathan Robinson on Feb 19, 2016 10:39:00 AM

Many researchers set up their studies to use the TurkPrime AutoApprove feature so that they do not need to manually approve worker assignments based on the secret code that workers enter. On occasion, a researcher may set up his study incorrectly which results in many worker assignments getting automatically rejected. This was a significant cause for distress among the Mechanical Turk workers who received rejections for their work which then went unpaid and also lowered their MTurk approval rating. This was also a sore point for TurkPrimeresearcherswho had to deal with upset workers and correspond with them, and often reverse their rejections.

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Topics: amazon mechanical turk, autoapproval, reverse rejection, study, survey, turkprime