Say it loud and proud. These people are fine with sharing their thoughts and feelings at top volume. When people state something with confidence, we have a tendency to assume they're correct. We think to ourselves, “Surely this dude wouldn't be loudly telling everyone in a 20-foot radius about his plan if he wasn't correct.” But it turns out that these people are wrong kind of a lot. Then, people who are actually knowledgeable stay quiet on the subject. They don't want to be loudly wrong, so th…