We’re all prone to epic blunders from time to time, and knowing why they tend to happen can help you avoid them in the future. A study published in the journal Intelligence breaks down what we consider or dumbest mistakes into three categories.The researchers compiled a list of stories filled with stupid mistakes, then had people rate them based on the a number of factors, including who was responsible, how bad the consequences were, and more.

Source: The Three Most Common Types of Dumb Mistakes We All Make