This worked so well! After covering the logical fallacies and Classical/Aristotelean argument structure, I had them complete this analytical assignment and their critical thinking was fantastic.
They have to select two current editorials on opposing sides of the same issue, and then dissect the stance, arguments, appeals, opposition and then rate the quality. They do the same to the second article and then compare. The attached assignment sheet worked well. I gave them a day in class and it was well worth it!
I also have a great product listing 36 logical fallacies with easy definitions and a test.