Description: Overconfidence is a cognitive bias that manifests when individuals overestimate their own abilities, knowledge, or the accuracy of their predictions. This phenomenon can lead to erroneous decisions, as individuals tend to ignore contradictory information or underestimate risks. In the context of technology and artificial intelligence (AI), overconfidence can be particularly problematic, as developers and users may place too much trust in the results generated by algorithms, without considering their limitations or the potential biases inherent in the data used to train them. This bias can result in the implementation of AI systems that are not as accurate or fair as assumed, which can have significant ethical consequences. The relevance of overconfidence extends to various areas, from business decision-making to risk assessment in public health, where excessive trust can lead to disastrous outcomes. In summary, overconfidence is a phenomenon that can distort the perception of reality and negatively impact the quality of decisions, especially in a world increasingly influenced by technology and AI.