How has the concept of hunter-gatherers and our understanding of them changed throughout history

1. Relevance of the research/case study (i.e. What is your questions and why should we care?)? 2. Scope of the research being presented (i.e. What, who, where?)? 3. Methods used to generate the data you are talking about (interviews, archaeological?excavations, data collected from government census, etc.)? 4. Results, interpretations, conclusions? 5. Discussion questions and ideas for future research on this topic?6. Relevant bibliography in a standard citation format (APA, MLA, etc)