What must be true about collaborative dialogue within a professional learning community if teachers are fundamentally committed to analyzing results and sharing and improving their instructional practices for the purpose of increasing student achievement? Group of answer choices It must involve non-judgmental problem-solving based on relevant data. It must include representatives of every group of stakeholders in the school. Facilitation of the conversation must be a function of autonomous leadership. It must emphasize collegiality and minimize any misalignment between group members' values and practices