Most people assume projecting confidence and always finishing on time are the two safest bets for earning respect. Two studies looking closely at what actually happens when confidence and deadlines are tested suggest the picture is more specific than that, and in one case, the opposite of what feels intuitive.
The clearest evidence on confidence comes from a 2013 study by Sunita Sah, Don Moore, and Robert MacCoun, published in Organizational Behavior and Human Decision Processes. In one experiment, 184 participants received advice on a weight-estimation task from advisors whose confidence level and accuracy were both manipulated. When an advisor turned out to be wrong, projecting high confidence backfired badly, those advisors earned a credibility rating of 2.23 out of 5, significantly lower than equally inaccurate advisors who had expressed modest, hedged confidence, who scored 2.84. The pattern flipped for advisors who turned out to be right, high confidence there was rewarded, scoring 4.00 compared to 3.67 for accurate advisors who hedged. The highest credibility of all went to people who were both accurate and confident, but false certainty, confidence without the accuracy to back it up, was punished more severely than any other combination tested. The researchers also found that as an advisor’s stated confidence rose, people became less interested in actually verifying their track record, meaning confident claims get less scrutiny, not more, which is exactly why unearned confidence is so costly when it turns out to be wrong.
A second study helps show that a completely different habit, simply meeting deadlines, carries a similarly outsized effect on how competent and trustworthy someone seems. In a 2024 study by David Fang and Sam Maglio, also published in Organizational Behavior and Human Decision Processes, the researchers ran eight lab and field experiments plus ten supplemental studies, covering a combined 6,982 people. Missing a deadline significantly lowered how competent evaluators judged both the work and the person to be, independent of the actual quality of what was submitted. The effect operated specifically through perceived competence, not just perceived consideration, people specifically judged late submitters as less capable, and became less willing to work with them again. Being early, notably, provided no corresponding boost, the penalty for lateness was one-sided rather than a simple “earlier is always better” effect.
Together, these two studies point to a more precise picture of what actually earns respect in small, everyday moments. Sah, Moore, and MacCoun’s research shows that honest hedging protects credibility when someone is genuinely unsure, while false confidence gets punished hardest of all when it turns out to be wrong. Fang and Maglio’s research shows that simply hitting a deadline, regardless of how good the finished product is, carries real weight in how competent a person is judged to be, a cost that has nothing to do with the actual quality of the work. Between the two, respect looks less like a matter of projecting maximum confidence at all times and more like a matter of calibration, being honest about uncertainty, and being reliable about time.
It’s worth being honest about what these two studies don’t establish. Sah, Moore, and MacCoun’s research was conducted in a specific advice-giving context using a weight-estimation task, and while the pattern of punishing false confidence has shown up in related research, the exact numbers reflect that particular experimental setup. Fang and Maglio’s research, despite its unusually large combined sample, is built from a mix of lab and field studies that varied in context, so the size of the competence penalty for lateness likely varies by how important a given deadline actually is.
Within those honest limits, the research offers two concrete, actionable habits. Admitting uncertainty when it’s genuinely there protects credibility far better than bluffing does, especially if the bluff turns out to be wrong. And simply meeting a deadline, regardless of what’s actually delivered, does real work in shaping how competent a person is seen to be. Neither habit requires charisma. Both are fully within anyone’s control.