vWorker - Feedback System
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Viewing Past Feedback
vWorker seems to use a straight averaging system for computing overall ratings. The value of projects is not taken into account here, perhaps because it is used for the “All Worker Competition” ranking system.
Each client’s and contractor’s current overall rating is displayed next to his or her username. For clients, these are shown in project detail pages (but, sadly, not in project search summaries); for contractors, they are shown in bids. You can also see overall ratings in the appropriate place in each user’s vWorker profile.
In addition to the average, vWorker also shows a little yellow face icon, whose expression starts out as a big smile for a high rating, and gradually droops to a big frown for very low ratings. Just a stylistic touch I suppose; kinda goofy but harmless. :)
vWorker, like some of its peers, has shown that it understands the more common issues associated with numeric feedback systems, and has tried to address them. They’ve been successful in some regards, but less so in others.
The double blind system is an effective way of combating retaliatory feedback. This has also been done by some other big sites, but a few holdouts continue to refuse to implement this obviously beneficial mechanism.
vWorker allows feedback to be entered if a project is not completed, which is very good. Some sites don’t allow feedback unless money changes hands, which means contractors who abandon projects may be able to avoid getting the negative rating they deserve.
vWorker avoids the glaring flaw seen on some sites where both parties are allowed to freely rate each other after arbitration, even if one of the parties is found to have been in breach of contract or otherwise at fault. Here, the party that loses arbitration is prevented from leaving a rating for the winning party. vWorker also gives itself the right to enter its own ratings in cases where a contractor or client is shown to have behaved especially badly, including the punitive -3 rating mentioned before.
Finally, as I said above, I think it’s good that vWorker encourages thought about specific types of behavior when coming up with numeric ratings. For example, Figure 13 indicates that vWorker thinks the difference between a 9 and a 10 score for a contractor has to do with whether the contractor went beyond the call of duty by suggesting improvements to the client. Still, in practice, I’m not really sure how much people really pay attention to these guidelines. I still see the same if-they-do-a-good-job-give-them-a-10 sort of “grade inflation” on vWorker that I experience elsewhere. Take my example: I’ve done 65 projects on vWorker and have a perfect 10.0 rating. I’m a good freelancer, but I assure you that I have not been picture-perfect on every one of those tasks...
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