Editors Huey T. Chen, Stewart I. Donaldson and Melvin M. Mark provide a historical overview of the Campbellian typology adoption, contributions and criticism. Contributing authors propose strategies in developing a new perspective of validity typology for advancing validity in program evaluation including
- Enhance External Validity
- Enhance Precision by Reclassifying the Campbellian Typology
- Expand the Scope of the Typology
The volume concludes with William R. Shadish's spirited rebuttal to earlier chapters. A collaborator with Don Campbell, Shadish provides a balance to the perspective of the issue with a clarification and defense of Campbell's work.
This is the 129th volume of the Jossey-Bass quarterly report series New Directions for Evaluation, an official publication of the American Evaluation Association.
Keywords: Evaluation & Research Methods