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Croma Lab

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University of Michigan
  • Overview
  • Reviews 431
  • HITs 47

Croma Lab Ratings


Workers feel this requester pays generously

Unrated

Approves Quickly

No Rejections

No Blocks
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Croma Lab Wage History


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Top Worker Reviews

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    • My Reviews

dan Average Pace
Reviews: 8,517
Points: 8,988
Ratings: 1,987
[Chrome, Good Internet Connection Required, Use Mouse] Predict Car Accident from a Video - $0.85

Generous

Unrated

Pending

$17.09 / hour

00:02:59 / completion time

Pros

I enjoyed it. Just go through a tutorial which is painless, and then "annotate" one video. Basically just hold your mouse cursor over anything that may cause an accident during a video.

Cons

Loading times were kind of slow for some reason. The actual task was maybe a minute tops. Most of the time was spent just waiting for things to load.
Dec 7, 2018 | 1 worker found this helpful.

sarin Unreliably Fast
Reviews: 10,091
Points: 10,085
Ratings: 1,705
[Chrome] Experiment on ways of annotating positive/negative aspect of a person's emotion - $1.20

Good

Unrated

Approved

$20.09 / hour

00:03:35 / completion time

Pros

Rate 5 images based on their conveyed emotion
All done within the iframe using the requester's own interface

Cons

A bit laggy
Uses pop-ups to explain that you can't go back to your answers for every image
Medium-heavy writing (1-2 sentences for each image, then more sentences to explain your answering strategy)
Feb 26, 2019

Penelope Fast Reader
Reviews: 10,545
Points: 10,999
Ratings: 2,846
A game to undrestand how human works with robots. - $0.01

Underpaid

Unrated

Approved

$0.15 / hour

00:03:58 / completion time

Pros

Cons

Yikes. Watched the 3.5-minute tutorial. Only let me play 6 or 7 rounds (incorrect once) when the description says there are 100. It just auto-submitted. Didn't catch what the bonus was but you can only earn or lose a few cents per round.
Feb 17, 2020 | 4 workers found this helpful.

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Croma Lab


A2A7O851QSLWZB MTurk Search Contact Requester

Recently Reviewed HITs


[Chrome, Good Internet Connection Required, Use Mouse] Predict Car Accident from a Video
[Chrome, Good Internet Connection Required] Predict Car Accident from a Video
[Chrome] Annotate a positive/negative aspect of a person's emotion in an image
[Chrome] Experiment on different ways of annotating positive/negative aspect of a person's emotion
[Chrome] Experiment on different ways of annotating positive/negative aspect of a person's emotion

Ratings Legend

Wage Aggregates

Reward Sentiment

Communication Scores

Approval Tracking

Wage Aggregate Tracking

This is fairly straightforward: we take the completion time & the reward amount (where available) and calculate the average hourly rate for the task. We then apply that number to a simple range based on US minimum wage standards to color-code the data for easy to digest numerical data.

Color Pay Range (Hourly) Explanation
RED < $7.25 / hr Hourly averages below US Federal minimum wage
ORANGE $7.25 - $10.00 / hr Hourly averages between Federal & highest statewide (CA) minimum wages.
GREEN > $10.00 / hr Hourly averages above all US minimum wage standards

Reward Sentiment

Not all HITs are created equal. Sometimes an hourly wage doesn't convey the full story of a HIT's true worth, so we encourage workers to give their opinion on the overall pay of the task. Was it $8/hr to rate pictures of puppies? A worker could justifiably bump up the rating a bit for something so adorable. 10 hours locked in Inquisit? Even for $10/hr many workers would appreciate the heads up on such a task. The Pay Sentiment rating helps connect workers beyond the hard data.

Icon Rating Suggested Guidelines
Underpaid 1 / 5
  • Very low or no pay
  • Frustrating work experience
  • Inadequate instructions
Low 2 / 5
  • Below US min-wage ($7.25/hr)
  • No redeeming qualities to make up for pay
Fair 3 / 5
  • Minimum wages for task (consider SE taxes!)
  • Work experience offers nothing to tip the scales in a positive or negative direction
Good 4 / 5
  • Pay is above minimum wage, or compensates better than average for the level of effort required.
  • The overall work experience makes up for borderline wages
Generous 5 / 5
  • Pay is exceptional.
  • Interesting, engaging work or work environment
  • Concise instructions, well designed HIT.

Communication Ratings

Communication is an underrated aspect of mTurk. Clear, concise directions. A fast response to a clarification question or a resolution to a workflow suggestion can all be valuable aspects of interaction between Requesters & Workers and its worth keeping track of. Plus everyone enjoys the peace of mind knowing that if something does go wrong there will be an actual human getting back to you to solve the issue.

Icon Rating Suggested Guidelines
Unacceptable 1 / 5
  • No response at all
  • Rude response without a resolution
Poor 2 / 5
  • Responsive, but unhelpful
  • Required IRB or extra intervention
Acceptable 3 / 5
  • Responded in a reasonable timeframe
  • Resolves issues to a minimum level of satisfaction.
Good 4 / 5
  • Prompt Response
  • Positive resolution
Excellent 5 / 5
  • Prompt response time
  • Friendly & Professional
  • Helpful / Solved Issues
  • Interacts within the community

Approval Time Tracking

This rating is strictly for approval times. Let's face it, no one wants to mix approval time ratings with how fast a Requester rejects a HIT, so we've saved rejection flags for another category. This provides a more straightforward way to know about how long your HIT might sit pending before paying out. The default auto-approval for most MTurk tasks is 3 days, the maximum is 30 days. We've tried to base our ratings around those data-points.

Icon Rating Approval Time
Very Slow 1 / 5 Over 2 weeks
Slow 2 / 5 ~1 - 2 Weeks
Average 3 / 5 ~3 - 7 Days
Fast 4 / 5 ~1 - 3 Days
Very Fast 5 / 5 ~24 hours or less

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