Leemos en el blog de Schneier

People tend to hold overly favorable views of their abilities in many social and intellectual domains. The authors suggest that this overestimation occurs, in part, because people who are unskilled in these domains suffer a dual burden: Not only do these people reach erroneous conclusions and make unfortunate choices, but their incompetence robs them of the metacognitive ability to realize it.

No pocas veces alguien cree estar haciendo algo bien cuando, en realidad, lo está haciendo bastante mal y está siendo, sencillamente, incapaz de verlo. Interesante trabajo por Dunning y Kruger.