When talking about overconfidence, we should probably first define its predecessor, confidence.
"Confidence is a byproduct of a combination of knowing who you are, self-efficacy, courage, and effort. It's the understanding that you are in fact good at what you're attempting to do," explains visibility and confidence coach and founder of ubu skills, Megan Hamilton.
"So, can somebody become too confident? I'd say no—it can't be qualified that way. However, can somebody be exuding confidence when it hasn't been earned? Absolutely. This shows up a lot in politics, for example. But I'd call that bravado, which means it's a performance, instead of exuding an earned state of being."
Many behaviors of humans have been observed, investigated and named, and overconfidence is no exception. People who think a little too highly of themselves are known to experience overconfidence bias.
"Overconfidence bias occurs when individuals overestimate their abilities, knowledge, or control over situations," explains Dr. Ozan Toy, MD, MPH.
A great example of this most of us can relate to is students overestimating how quickly they can finish an assignment. After realizing the task takes longer than expected, they are, unfortunately, forced to pull an all-nighter.
Or when we set other overly ambitious goals, like promising to work out and eat healthy every day without excuses. The motivation instantly plummets to zero after it becomes clear that such perfection may be impossible to achieve. This is overconfidence bias in action for you.
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Such beliefs occur due to cognitive biases, which are patterns of thinking that interpret reality subjectively rather than relying on facts and rational judgment. It affects how we process information and make decisions, resulting in flawed reasoning, like overestimating knowledge and abilities.
Psychologist Dillon Harper, PhD, also suggests that overconfidence is our brain’s attempt at boosting our self-esteem and reducing anxiety. By minimizing or ignoring our failures and focusing on past successes, it makes us more relaxed and sure of ourselves.
Our brain’s tendency to convince us that we are better than we actually are can be boosted by our lack of experience, as we don’t have enough knowledge to accurately evaluate our abilities. Another factor that plays a part in this is our upbringing.
"Overconfidence bias is often the result of what we call ‘false empowerment’ in childhood," says licensed marriage and family therapist Renée Zavislak. "Parents who consistently tell their children things like, 'You're the best' and 'You are good at everything you do' rather than true, realistic compliments like, 'Yours is my favorite' and 'I am proud of you,' tend to foster the development of an overconfidence bias."
Hamilton agrees that overconfidence can be learned from the behaviors of others and even obtained by privilege.
"An example of this might be somebody who is not a medical doctor diagnosing somebody else with a medical condition because they feel that they are knowledgeable on the topic—possibly because they have the same condition or because they're somewhat familiar with it. But if "they don't know what they don't know," there could be myriad other symptoms or outcomes they aren't aware of, leading to a misdiagnosis. The impact can be disastrous," she warns.
Due to these factors, many people have excessive faith in themselves. Research shows that 73% of U.S. drivers believe to be better than average, which is statistically impossible. A study with spelling tasks found participants to be 100% sure of their answers but 80% of them were actually right.
Additionally, a whopping 65% of Americans think they’re smarter than average, with the figure being even higher when it comes to men. These are just a few examples proving that no one is safe from experiencing overconfidence bias, just like these people on this list.
Thinking highly of ourselves can affect our daily behaviors and decisions. "When we overestimate our abilities, it's like walking a tightrope with a blindfold. We’re more likely to take unnecessary risks, ignore important feedback, or skip preparation because we think we’ve got it all under control," Dr. Harper says.
"When things don't go as planned, the fall from that high can be harsh, leading to disappointment and a hit to our self-esteem."
It can also negatively impact relationships, as few people like overconfidence that leans towards arrogance.
