Mental Model by Joshua Kennon

Mental Model: The Dunning–Kruger Effect

Mental Model: The Dunning–Kruger Effect Have you ever wondered why some people come to erroneous conclusions despite all the counter evidence, overestimate their abilities, and constantly make mistakes whereas other, more intelligent people often claim ignorance and throw things on the “too hard” pile? The reality is that not everyone in a given population can…

Free Time By Generation

Congratulations – You Have 5 Hours More Per Week Than Your Parents (and 40 More Hours Than Your Great Grandparents)

John Robinson of the University of Maryland and Geoffrey Godbey of Penn State University have done research showing that “Americans now have more free time than at any point in the nation’s history.” They calculate that since 1960, the average American has gained 5 hours of free time per week even after adjusting for women entering the work force.