Heuristics’ impact on decision-making in Humans and Machines.

Shlok Nahar
4 min readJun 10, 2024

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Heuristics speeds up the problem-solving approach of relying on past experience and patterns. The decision making process of computers differs from humans because humans rely deeply on heuristics instead of pure information based decision making and therefore it has biases. They are mental shortcuts making people make fast decisions on their past experiences. These are actually cognitive shortcuts that allow an individual to make decisions quickly due to the situational complexity which would make it impossible otherwise to make a decision at that moment.

Heuristics and Problem Solving

Heuristics are based on past experiences and patterns that help in speeding up problem-solving. Mental shortcuts or heuristics — are a concept used in psychology to explain how humans make decisions faster based on the lessons learned from the history of their choices. And this enables us to pass through complex situations without thought. In much the same way, AI uses algorithms to analyze and synthesize large data sets at speed to provide insights that guide decisioning. By historical data being leveraged, rapid and informed choices can be made by AI systems that would be impractical for humans to compute manually.

The role Errors and Biases in Heuristics

Humans are not the only ones who fall prey to errors and heuristics-related biases; AI can be influenced by them as well. In human psychology, heuristics are users of cognitive bias, like confirmation bias & availability heuristic where the information confirming preconception or readily available information is favored by the individuals. But it could also be that AI systems land up learning biases if they are trained on biased data. This can lead to biased outputs and decisions that mirror the biases in the training data.

Limits of Heuristics

One major limiting feature of heuristics is that humans tend to overly trust on their past successes to predict future successes. Being the response that worked best in the past, it gets used the most, leading to questionable results in distinct situations. If you are confronted with unusual situations it may lead to suboptimal decisions. And models trained on historical data can perform poorly in environments that are changing, or in scenarios that depart from that data. Relying on historical patterns can prevent us from adjusting and innovating when dealing with new situations.

How Heuristics Limit Our Perspective

This can also be the case with heuristics, slowing down problem solving processes and impacting AIs and humans. Heuristics may emphasize certain ideas or methods, making alternatives less likely to be explored, and leading to a limitation in one’s thought process. AI algorithms may encounter the same if not exercised to uncover new information outside the known data patterns. But this limitation might thwart a person, or an AI system, from finding innovative solutions and ways to solve problems.

Heuristics and the Stifling of Innovation

Continuing to rely on these old heuristics would absolutely impede innovation. A dependent personality Among humans, a reliance upon this can suppress the development of creativity and innovative problem solving, for the simple reason that individuals are less likely to think outside the box. In the field of AI, innovation is limited by the algorithms that can and cannot be made better, and by the small quantities of training data to further boost a model’s performance. AI, that cannot produce or recognize novelty, neither can people, will both fail to produce novel solutions.

Efficiency in Heuristic Problem-Solving

If problem-solving and decision-making are reduced in efficiency, it may be due to heuristics. Heuristics provide quick solutions but often lead to suboptimal decisions for humans. While computationally cheap features of the data can be extracted, poor performance from the AI models causes suboptimal results which still get generated due to the lack of model design and data representation. I think we need to possess the kind of understanding of heuristics and their limitations that allow both humans and AI to extend the power of our noggin, boosting both our ability to make decisions with a positive outcome.

Conclusion

Both in terms of human and A.I., understanding the heuristics and the frontier of computability that will be able to benefit us in improving problem-solving and decision-making capabilities is critical. Heuristics are wonderfully effective tools for quickly generating effective solutions, but can lead to all sorts of errors, biases, and anti-creativity if over-used. By understanding these traps, we become better equipped to navigate a difficult situation and more adept at decision-making — and in doing so we decrease the likelihood of succumbing to a trap that may potentially threaten a better end.

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