The objective of this research is to develop a model of social interaction for the Natufian culture in Southwest Asia through interpretation of environmental and material-culture variability. The author achieves this through the development of rigorous systematic grouping and spatial analysis of artifacts. The Natufian culture (approximately 13,000 or 12,800 BP) is critical to our understanding of the transition from mobile hunter-gatherers to sedentary hunter-gatherer-farmers. They are thought to represent one of the final periods of archaeologically known hunter-gatherers in Southwest Asia,...