A heuristic is a word from the Greek meaning ‘to discover’. It is an approach to problem-solving that takes one’s personal experience into account. Heuristics provide strategies to scrutinize a limited number of signals and/or alternative choices in decision-making. Heuristics diminish the work of retrieving and storing information in memory and of streamlining the decision-making process by reducing the amount of integrated information necessary in making the choice or passing judgement. However, whilst heuristics can speed up our problem-solving and decision-making processes, they can introduce errors and bias judgements. This article looks at commonly used heuristics and their human psychology origins. Understanding how heuristics work can give us better insight into our personal biases and influences and (perhaps) lead to better problem-solving and decision-making.
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