Dictionary
The Dictionary provides concise definitions of health economics terms, arranged alphabetically for quick reference. Use it to understand unfamiliar terminology or confirm the meaning of a specific term.
C
- Cross Validity Assessment
- An evaluation of whether a model's predictions remain accurate when applied to a different but related dataset or population than the original.
E
- External Validity Assessment
- The formal process of testing whether a model's predictions match independent, real-world data not used in its original construction.
F
- Face Validity Assessment
- The process of having clinical or methodological experts review a model's overall structure and key assumptions before more rigorous quantitative testing begins.
I
- Internal Validity Assessment
- The formal process of testing whether a model's calculations are free from technical errors and function correctly according to its own logic.
P
- Predictive Validity Assessment
- The formal process of comparing a model's earlier forecasts against outcomes subsequently observed once real-world data became available.
V
- Validity Assessment
- The process of evaluating whether an instrument or study design accurately captures what it is intended to measure, covering several specific forms.