If I were still teaching in a classroom, I would incorporate the use of Concept Comparison with various other Content Enhancement Routines, such as FRAME and Unit Organizer. I believe the Concept Comparison routine helps all students consider concepts that are similar, but have key differences, in an organized manner. Furthermore, I believe this would help students clarify their understanding of concepts they often get confused because of the minor, but key, details. I would also encourage my students to refer to the routine as they complete tasks throughout the given unit as well as utilize it as a study tool for future assessments.
In my current position as a secondary coach, I would introduce this routine to teachers incorporating Content Enhancement Routines into their classroom and have the discussion of when it is appropriate to use this routine with students based on the content. I would also encourage them to use this routine anytime students are asked to compare/contrast concepts within their specific content area; this will increase student familiarity with the routine and may lead to them using this informally in other content areas (if their teacher is not using this routine as well).