Originally Posted by
beachmouse
Do enough surveys and you see patterns of the relatively easy ones and the massive pain in the rear ones. The research now (55 points/10 minutes) surveys will often take longer than that but are generally reliable. Some of the others like IPSOS, I bail on because they're extremely unreliable and annoying.
Thanks for identifying the patterns. Much more helpful than simply bragging about one's experience with them (as others seem to want to do).