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要旨:
This paper examines theoretical and methodological approaches to measuring and discussing skill in the archaeological record. Focusing specifically on evaluating skill in lithic production, a case study is presented which quantifies production errors in several assemblages of obsidian blades from early pastoralist sites of the Elmenteitan culture in southern Kenya (c. 3000–1400 BP). Analysis of error frequency through the blade core reduction sequence and relationships between error types suggest that production errors in blade production may relate, in part, to the presence of novices’ practice and learning. Comparison among assemblages shows that sites closer to the primary obsidian quarry site display higher proportions of blade production errors. Communities-of-practice theory is drawn upon to interpret these patterns and to generate hypotheses for how early Elmenteitan producing herders may have structured knowledge transmission related to lithic production. Finally, the paper discusses how lithic learning may have been integrated into broader social systems relating to pastoralist resilience in eastern Africa.
