Write about the similarities and differences between the two leadership models. The two models that face common leadership challenges are: Management grid Focus of the Four Models 2. Why is it important for leaders to “know themselves”? 3. What self-assessment tool (s) would you use to help you become aware of your beliefs, values and expectations? Find an online self-assessment tool relevant to health care leadership, describe the instrument you mentioned in your answer, and provide an appointment to the source and a link to the self-assessment tool.