Dunning-Kruger_effect from wikimedia.org The Dunning–Kruger effect is a cognitive bias in which unskilled individuals suffer from illusory superiority, mistakenly rating their ability much higher than is accurate. This bias is attributed to a metacognitive inability of the unskilled to recognize their ineptitude. Actual competence may weaken self-confidence, as competent individuals may falsely assume that others have an equivalent understanding. David Dunning and Justin Kruger of Cornell University conclude, "the miscalibration of the incompetent stems from an error about the self, whereas the miscalibration of the highly competent stems from an error about others".
Motion Induced Blindness
Test yourself with these thinking excercises. The solutions are at the bottom of the page. Don't be lazy. Try hard to figure these out before you look! It'll be a lot more satisfying.
When you are sick, either from something minor like a cold or from a more serious health problem, have you ever noticed how your mental attitude can really contribute to the way you feel? I can remember throwing myself some pretty good pity parties when I was bed-ridden with the flu or pneumonia or something. Along with feeling very sorry for myself, I would think things like, “I feel so sick.” “My fever is not going away.” The Power of Positive Thinking - Can We Literally Will Ourselves to Become...
Humans The human mind is a wonderful thing. Cognition, the act or process of thinking, enables us to process vast amounts of information quickly. For example, every time your eyes are open, you brain is constantly being bombarded with stimuli. You may be consciously thinking about one specific thing, but you brain is processing thousands of subconscious ideas.
Original source unknown. (But the story appears to have some basis in fact.) Start with a cage containing five monkeys. Inside the cage, hang a banana on a string and place a set of stairs under it. Before long, a monkey will go to the stairs and start to climb towards the banana. As soon as he touches the stairs, spray all of the other monkeys with cold water.
by David Johnson Like death and taxes, there is no escaping color. It is ubiquitous. Yet what does it all mean?
Interesting Info -> Lying Index -> How to Detect Lies Become a Human Lie Detector (Part 1) Warning: sometimes ignorance is bliss.