Assessments to hire instructional designers

One of my big pet peeves - asking job candidates to do off-the-clock work to create a a project. Any candidate who says they are fine with doing one of these is hiding the truth, and at the end of the day the project is a minor if nonexistent factor in making the hiring decision.

So I recommend you don't do an assessment (and what's it mean to be "tested live" - storyboard in 30 minutes or less?). If you want to see what the candidate can do, the ID's portfolio should be more than enough to determine if their skills are a match to your needs.