Science or Sciencey [part 2]

The second of a 4-part series examining what happens when science is used for marketing (using brain-training software as the central example). [...]

Science or sciencey [part 1]

The first of a 4-part series examining what happens when science is used for marketing (using brain-training software as the central example). [...]

Predicting learning and the illusion of knowledge

In The Invisible Gorilla, Chris and I discuss many aspects of the illusion of knowledge, the tendency to think we have a better understanding than we actually do. One aspect of this illusion is that we easily mistake surface understanding for deep understanding, what Leon Rozenblit and Frank Keil called the “illusion of explanatory [...]

more choice blindness videos

Yesterday I posted about a new, in-press study of choice blindness by Lars Hall, Petter Johansson, and colleagues. Their new study extended the phenomenon of choice blindness to real world taste decisions made by shoppers in a market. Read more about it in yesterday’s post entitled “Do you know what you like.”

Here [...]

Do you know what you like?

Do you know what you like? (Don’t) think [...]

Chess and the illusion of confidence

Chris and I have a column in Today’s New York Post on what we’ve called the Illusion of Confidence. In the column, we discuss now-classic work by Justin Kruger and David Dunning on the double curse of incompetence: People who are unskilled are also unaware of it. Kruger and Dunning showed that [...]

Interview of Dan at

Dave Munger of dailymonthly, researchblogging, and Seed Magazine did an extended inteview with me while we were both at the Vision Sciences meeting this week. The interview covered a wide range of topics, but mostly focused on the gorilla experiment and the phenomenon of inattentional blindness. The interview was just published on and [...]

monkey business illusion at

My presentation at the Illusion of the year competition was featured at The article discusses the contest and ends with my presentation. If you haven’t viewed my illusion yet, view it first before reading the Nature piece — the piece contains spoilers.

The Monkey Business Illusion

My submission to the Best Illusion of the Year competition at this year’s Vision Sciences Society meeting is titled “The Monkey Business Illusion.” The contest judges selected it to be among the 10 finalists, so I got to present it to an audience of more than 1000 people attending the show this evening (May 10, [...]

Vision Sciences Stuff -- the skinny on a new illusion

This week I’m attending the annual meeting of the Vision Sciences Society in Naples Florida. Every day or so, I’ll post about a subset of the cool, interesting, funny, or quirky (I won’t say which) talks/posters I happened to catch. You can read the first installment here. Here’s a fun one from my [...]