These tools relate to the practice of measurement
- Measurement: the act of comparing something unknown against something known
- Determining which is the ‘known’ quantity (measuring vs defining)
- You can’t manage what you can’t measure’
- The act of measuring changes things
- You get what you measure (but perhaps not what you intended)
- NOIR scale
- A good outcome can be a poor objective
- Fitness for purpose
- Diagnostic and Predictive Power
- Assessing the weight of an ox
- Saving Galton’s ox
- You can compare apples and oranges