On the importance of comparative research: the case of folkbiology.

If our goal as researchers is to understand the range and complexity of human conceptual development, increased attention to comparative research is essential. I draw on research in the domain of folkbiology-commonsense understandings of plants and animals--to argue that several lines of comparative research are needed to understand the acquisition of folkbiology in particular and conceptual development in general. First, comparisons are needed between children and adults within a given society. It is impossible to understand the process of conceptual development without a detailed look at adult endstates in a domain. Second, comparisons are needed between adult endstates in different contexts. For a complete understanding of conceptual development we must understand the range of variability of adult conceptual systems. Finally, comparisons are needed among children developing in different contexts. Such research complements comparative work on adults and would serve to distinguish between universal and particular patterns of development and thus to inform and constrain accounts of conceptual development.

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