Learning by doing, vintage, and selection: Three pieces of the puzzle relating teaching experience and teaching performance |
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| Authors: | Richard J Murnane Barbara R Phillips |
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| Institution: | 1. The authors are Assistant Professor of Economics, Yale University, USA;2. Research Associate, Mathematica Policy Research, USA |
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| Abstract: | This article points out that the puzzling nature of the evidence concerning the relationship between teaching experience and teaching performance is due at least in part to the research methodology used to study this relationship, in particular to the use of cross-sectional data on teachers. With cross-sectional data, the variable of interest—years of teaching experience—reflects three different phenomena: learning by doing, vintage and selection. These phenomena are explained and their influence on the relationship between experience and performance observed in a cross section of teachers is discussed. It is then shown that the impact of learning by doing on teaching performance is significantly increased when the impact is estimated in a model that explicitly accounts for vintage effects. |
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