Coming from a Literature background, so often things are structured are power and persuasion. I feel if I had (or have) my time again how I might bring some more nuanced conversations in the classroom. I think that the Visible Learning routines can be helpful in developing this.
Right and true are formed by consensus - some will align with me, others with John, but when true consensus cannot be achieved we are left with opinion. That's fine, we seek opinions to educate ourselves and to gain affirmation of our own, but when we blindly reject those that don't provide that affirmation we tread a slippery slope.