Academic Inbreeding Revisited: A Unified Index and a Quantitative Study of Academic Outputs

In: Innovation and Education
Nai-Ming Hou null

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Due to an unclear definition and a lack of strict quantitative studies, impact of academic inbreeding on research outputs is still controversial. In this paper, the single teacher academic inbreeding index (STAII) was defined to measure the degree of inbreeding by simultaneously considering the educational background and mobility of a teacher. A quantitative study using STAII was carried out to reveal the impact of academic inbreeding on research outputs for 1,715 faculty members from 50 universities or departments of humanities ranked in the top three higher education tiers in China over the last 5 years. Regression analysis indicated positive contributions of academic inbreeding to research outputs with some detailed insights. The STAII was demonstrated to be a reasonable, straightforward and flexible index to quantify academic inbreeding, which would be useful to evaluate and compare academic inbreeding and to provide a reference for talent management in research institutions.

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