Following the Cue, Do, Review and preparing a script prior to implementation was helpful. Given that the like and unlike characteristics were limited in number, the subsequent like and unlike categories were very similar to the characteristics. However, this could be a good way to start the Concept Comparison Routine with naive learners. That is, keeping it simple in the beginning could be beneficial for students who might be otherwise overwhelmed with a lot of information.
If I were to do this again, I might consider an organizer that would allow for the comparison of three concepts in order to include equilateral triangles.