Encyclopedia of Operations Research and Management Science

2001 Edition
| Editors: Saul I. Gass, Carl M. Harris


Reference work entry
DOI: https://doi.org/10.1007/1-4020-0611-X_1099

The process of determining how well the outputs of a mathematical model of a real-world problem conform to reality. Two key aspects of validity are face validity and predictive validity. Face validity is based on an examination of the assumptions and data going into the model for logical consistency and the review of the results by experts knowledgeable in the real world situation. Predictive validity is based on examining the model's predictions for events that were not used in building the model. Verification; Verification, validation and testing of models.

Copyright information

© Kluwer Academic Publishers 2001

Authors and Affiliations

  1. 1.Robert H. Smith School of BusinessUniversity of MarylandCollege PartUSA
  2. 2.School of Information Technology & EngineeringGeorge Mason UniversityFairfaxUSA