Cognitive Media | Home | Supercharge yourself. Think, talk and work more creatively. Dunning–Kruger effect. Cognitive bias about one's own skill The Dunning–Kruger effect is a cognitive bias that describes the systematic tendency of people with low ability in a specific area to give overly positive assessments of this ability.
The term may also refer to the tendency of high performers to underestimate their skills. It was first identified by the psychologists David Dunning and Justin Kruger in 1999. In popular culture, the Dunning–Kruger effect is sometimes misunderstood as claiming that people with low intelligence are generally overconfident, instead of denoting specific overconfidence of people unskilled at particular areas. The Dunning–Kruger effect has been demonstrated across multiple studies in a wide range of tasks from fields such as business, politics, medicine, driving, aviation, spatial memory, examinations in school, and literacy.
The original study by Dunning and Kruger focused on logical reasoning, grammar, and social skills. Measurement, analysis, and investigated tasks [edit]
We come from the future. HighQ. Sidis Archives Homepage The HighQ Community "The height of cleverness is to be able to conceal it. " - Francois de la Rochefoucauld "The trouble with the world is that the stupid are cocksure and the intelligent are full of doubt Go to Mensa International Go to Mega Go to Noesis (the newsletter of Mega) on line Click here to link to Uncommonly Difficult IQ Tests Over 60% of gifted people are introverted compared with 30% of the general population. (Researchers using PET scans examined 18 healthy individuals. Other sources generally cite IQ scores and their labels something like: 85-99 Lower normal 100-114 Upper normal 115-129 Bright 130-144 Gifted 145-159 Highly gifted 160-above Profoundly gifted Common Problems of the Gifted 1) Since so much comes easily to them, they may never acquire the self-discipline necessary to use their gifts to the fullest. 3) Gifted people have trouble learning to suffer fools gladly, or at all. 4) Gifted people tend to become isolated from the rest of humanity.
Free. Brief diversions vastly improve focus, researchers find. A new study in the journal Cognition overturns a decades-old theory about the nature of attention and demonstrates that even brief diversions from a task can dramatically improve one's ability to focus on that task for prolonged periods. The study zeroes in on a phenomenon known to anyone who's ever had trouble doing the same task for a long time: After a while, you begin to lose your focus and your performance on the task declines.
Some researchers believe that this "vigilance decrement," as they describe it, is the result of a drop in one's "attentional resources," said University of Illinois psychology professor Alejandro Lleras, who led the new study. "For 40 or 50 years, most papers published on the vigilance decrement treated attention as a limited resource that would get used up over time, and I believe that to be wrong. You start performing poorly on a task because you've stopped paying attention to it," he said.
Expectations speed up conscious perception. The human brain works incredibly fast. However, visual impressions are so complex that their processing takes several hundred milliseconds before they enter our consciousness. Scientists at the Max Planck Institute for Brain Research in Frankfurt am Main have now shown that this delay may vary in length. When the brain possesses some prior information − that is, when it already knows what it is about to see − conscious recognition occurs faster. Until now, neuroscientists assumed that the processes leading up to conscious perception were rather rigid and that their timing did not vary. On their way from the eye, visual stimuli are analysed in manifold ways by different processing stages in the brain. It is not until they have passed several processing steps that the stimuli reach conscious perception.
This unconscious processing prior to perception usually takes approximately 300 milliseconds. Moreover, the measurements of EEG activity produced astonishing results. Formula for Change. The formula for change was created by David Gleicher while he was working at Arthur D. Little in the early 1960s,[1] and refined by Kathie Dannemiller in the 1980s.[2] This formula provides a model to assess the relative strengths affecting the likely success of organisational change programs. Dannemiller version: D x V x F > R[edit] Three factors must be present for meaningful organizational change to take place.
These factors are: D = Dissatisfaction with how things are now; V = Vision of what is possible; F = First, concrete steps that can be taken towards the vision; If the product of these three factors is greater than R = Resistance then change is possible. To ensure a successful change it is necessary to use influence and strategic thinking in order to create vision and identify those crucial, early steps towards it. Attribution Confusion[edit] Gleicher (original) Version: C = (ABD) > X[edit] The original formula, as created by Gleicher and published by Beckhard,[5] is: References[edit] Critical Thinking By Example.