Incompetence and All Children Above Average

Garrison Keillor says in Lake Woebegone all children are above average. Two professors publish an article suggesting that incompetent people overestimate their abilities. To quote the abstract:

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. Across 4 studies, the authors found that participants scoring in the bottom quartile on tests of humor, grammar, and logic grossly overestimated their test performance and ability. Although their test scores put them in the 12th percentile, they estimated themselves to be in the 62nd. Several analyses linked this miscalibration to deficits in metacognitive skill, or the capacity to distinguish accuracy from error. Paradoxically, improving the skills of participants, and thus increasing their metacognitive competence, helped them recognize the limitations of their abilities.

There's problems with this. Teenagers are incompetent drivers, but think they're invincible. Most drivers of all ages think they're above average drivers, which is mathematically impossible. (I'd suggest the most realistic drivers are those between 50 and 65--after 65 you start to lose it but are in a state of denial :-( )