The Impact of Cross-Validation Adjustments on Estimates of Effect Size in Business Policy and Strategy Research  

Oleh:

John, Caron H. St. ; Roth, Philip L.

Jenis: Article from Journal - ilmiah internasional
Dalam koleksi: Organizational Research Methods vol. 2 no. 2 (Apr. 1999), page 157-174.
Topik: cross-validation
Fulltext: 157.pdf (118.42KB)

Isi artikel

The authors examined use of cross-validation in multiple regression research in organization studies by reviewing research published in three top journals in business policy and strategy (BPS) over 6 years. Application of a formula method of cross-validation to each study showed that shrinkage was often large. In some cases, shrinkage was greater than 50% of R2 when sample sizes were less than 90. The authors recommend that organization studies researchers use formula crossvalidation to improve the validity of inferences while avoiding the additional data collection and split samples required by empirical methods.

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