I learned a lot about how to debate more constructively second-hand from my business partner who took the class referenced here [1]. The “crossing the net” tool was especially helpful to me once I started actively noticing how often I did it. Really trying to follow that forced me to ask better questions to understand where my views differed and why. All 5 tips are good areas to reflect on and experiment with, though.
[1] https://www.quora.com/What-are-the-key-lessons-from-the-Touc...