# 49. Manipulation of bias and heuristics in decision making
## 49.5. Methodology/Refinements/Sub-species
### 49.5.7. Bias blind spot
This is the tendency to see ourselves as less biased than others and to be able to identify more cognitive biases in others than in ourselves. The manipulator appeals to the obviously "completely rational and unbiased nature" of the victim to inflate their sense of superior rationale.