It's not what you say, but how you say it that have people think you're the brains of the conversation. Plenty of studies show that changes in pitch, volume and pauses boosts credibility and the impression of intelligence. For example, slower-talking speakers leave the impression of being less truthful, so maybe speed up your speech a bit.
It's not just about standing straight — using a commanding posture also helps boost your intelligence image. One study showed that high-power nonverbal displays used at two, one-minute poses made physical and neurological changes. There was evidence of increased testosterone levels and tolerance of risk as well.
People aren't using their middle initial as much as they used to anymore, but they would if they saw the research. When they added a middle initial to the author's name on a report as part of a study, the evaluation scores students left them went up. Adding that letter adds a sense of class to your name, and with that more intelligence.
Yes, that thing you've probably been doing out of manners is actually making you look smart. One study showed that subjects thought the models they were in eye contact with had a higher GPA the longer they looked at them.
This is a bit unorthodox, but for the night owls, this one's for you. On the whole, people who sleep late get a lot of things done. The image of a late-night workhorse is one that definitely makes you look clever.
Those neuroses sneaking into you? Don't let it get to you too much. There's been numerous looks into depression, anxiety and how it affects intelligence and many times it shows good things on the smart side. So next time you get into "Worry Mode," use it for good.
Simply put, taller people get more out of life. Studies worldwide all show that taller people rake in more money, and that's because height gives the perception of intelligence and power. So get some high heels or find some steps to stand on when you're talking to people.
It can be as simple as just being confident in how smart your can be. African American college students were part of a study where the researchers gave them the idea that they could improve their intelligence past stereotypes — and it worked. So just put aside all those mental roadblocks and give your brain a shot.