Derek Houghton has returned from professional development related to leadership. In sharing what he learned with colleagues, he talks about the importance of being willing to make personal changes before expecting to witness change at the organizational level. He also mentions the need to take small, measurable steps to implement change rather than expecting to manage an overhaul all at once. Based on what you know of leadership development models, in what type of training did Mr. Houghton participate? Group of answer choices Taking Charge of Change Inquiry-based professional development Training focused on how to create an effective mentoring program Training focused on how to implement distributed leadership in an organization