Rare card
Campbell's law
- Value
- 50 W
- Attack
- 273
- Defence
- 219
- Players
- 0
Campbell's law is an adage developed by American psychologist and social scientist Donald T. Campbell, who often wrote about research methodology. The adage states: The more any quantitative social indicator is used for social decision-making, the more subject it will be to corruption pressures and…
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