What type of sample would you need to examine your question and learn more about your issue?

“Staying in discussion with your fellow consultants, what type of sample would you need to examine your question and learn more about your issue? What are the various types of sampling you could use, along with their advantages and disadvantages?”

****–This is for a research class, My research question would be, “What are the potential life risks and aspects of the homeless people of Ironridge purposely making fires for warmth?”. The focus is fire safety. Thank you!!–

This is for NR 505 Research class at Chamberlain College of Nursing, if that helps.