Very negative experience. AVOID!!! My mistake was - that I had seen all bad reviews about Appen here at Glassdoor, but did not believe. I regrett. The recruiting email was very promising and attractive. Promised that the assesement will take about 8 hours. Instead of that the first you need to read all the materials and do preassesement test - that only takes you about 10 hours. I got enough point to proceed to the final test, which takes another 10 hours. So instead of fooling candidates the company should initially say that it takes 20 hours - then I definatelly would jupm off, instead of waisting my time. Total scammers.