Do You Really Know What You Think You Do?

The video discusses self-serving biases, particularly overclaiming, where individuals claim to know more than they do. Studies show that people often overestimate their knowledge, leading to the Dunning-Kruger effect, where those with low ability overrate their competence. The bias blind spot is also explored, highlighting how people are better at identifying flaws in others' reasoning than their own. The video concludes by emphasizing the importance of acknowledging gaps in knowledge for scientific inquiry.

What new insight or understanding did you gain from this video?