Construct validity
Incorrect inferences about the constructs identifying what a project is intended to achieve. Because constructs tend to be intangible (e.g., student knowledge acquisition, improved quality of life), there may be some ambiguity regarding operational definitions or exactly what is being scrutinized or measured.
Category: Methodology
Citation: Bamberger, M., Rugh, J., & Mabry, L. (2006). Real world evaluation: Working under budget, time, data, and political constraints. Sage Publications.