bias cognitive bias https://en.wikipedia.org/wiki/Category:Cognitive_biases https://en.wikipedia.org/wiki/Cognitive_bias https://en.wikipedia.org/wiki/List_of_cognitive_biases A systematic pattern of deviation from norm or rationality in judgment. Individuals create their own "subjective social reality" from their perception of the input. An individual's construction of social reality, not the objective input, may dictate their behaviour in the social world. Thus, cognitive biases may sometimes lead to perceptual distortion, inaccurate judgment, illogical interpretation, or what is broadly called irrationality. cognitive biases