Your posts must include at least one reference from the course textbook and at

Your posts must include at least one reference from the course textbook and at least one credible journal article for a minimum of two references. 
Write an initial response of at least 400 words (not including titles or references) to the following key question(s) or prompt(s): 
What are critical questions in doctoral-level research? 
What is the function of critical questions in doctoral-level research? 
How are critical questions structured? 
What are the characteristics of a good critical question?