To get started your professor needs to have invited you to an item - then you can go to https://kaizena.com/ and log in to Google with your full UA email and password (alternatively you may have received an email invitation to participate).
Support: View a help page on Kaizena https://goo.gl/z8wx3q (really it's very intuitive and easy to use, you shouldn't need a tutorial - just go check it out before you look up how to use it).
Help us caption & translate this video!
http://amara.org/v/Gk22/