منابع مشابه
The Harassed Waitress Problem
It is known that a stack of n pancakes can be rearranged in all n! ways by a sequence of n!−1 flips, and that a stack of n ‘burnt’ pancakes can be rearranged in all 2n! ways by a sequence of 2n!−1 flips. Unfortunately, the known algorithms are too difficult to be used by the waitstaff of a busy restaurant. How can humans can determine the next flip from the current stack and no extra informatio...
متن کاملNonnaïveté among Amazon Mechanical Turk workers: consequences and solutions for behavioral researchers.
Crowdsourcing services--particularly Amazon Mechanical Turk--have made it easy for behavioral scientists to recruit research participants. However, researchers have overlooked crucial differences between crowdsourcing and traditional recruitment methods that provide unique opportunities and challenges. We show that crowdsourced workers are likely to participate across multiple related experimen...
متن کاملLevels of Self-Efficacy among Harassed Teachers
The aim of this study was to examine the differences among harassed teachers and un-harassed ones, regarding coping strategies, self-efficacy, and locus of control. Participants were 255 teachers (163 women and 92 men) who completed a set of three questionnaires, the Mobbing Perceived Questionnaire, a battery of control expectancies, and the Brief COPE to assess, respectively, mobbing perceived...
متن کاملCrowdsourcing Transcription Beyond Mechanical Turk
While much work has studied crowdsourced transcription via Amazon’s Mechanical Turk, we are not familiar with any prior cross-platform analysis of crowdsourcing service providers for transcription. We present a qualitative and quantitative analysis of eight such providers: 1888-Type-It-Up, 3Play Media, Transcription Hub, CastingWords, Rev, TranscribeMe, Quicktate, and SpeakerText. We also provi...
متن کاملExploring Repeatability on Mechanical Turk
Crowdsourcing is gaining attention from companies looking for a low-cost, scalable labor force as well as from researchers seeking to leverage human intelligence and study human cognition. Much current crowdsourcing research is related to discovering methods for obtaining high-quality, trustworthy output from the crowd. One element of quality crowd-generated work is repeatability; ie, results a...
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ژورنال
عنوان ژورنال: Nature
سال: 1987
ISSN: 0028-0836,1476-4687
DOI: 10.1038/326233d0