Confirmation bias and cognitive dissonance about Asians being better at math Few topics stir up more debate than the discussion of ethnic differences in cognitive ability. One of my favorite books, The Bell Curve , has been and in the past year has become again a lightning rod of controversy. The book and its ideas are arguably more relevant today than when it was first published twenty-five years ago. The co-author, Charles Murray, has been labeled a white supremacist and his recent speaking engagements have been subject to violent protest at Middlebury College and my alma mater, UC Berkeley. I listened to Murray on Sam Harris’ podcast recently and he published the following summary from The Bell Curve in response to listener interest. Below is an excerpt of the chapter summary on Asian ethnic differences in cognitive ability: East Asians (e.g., Chinese, Japanese), whether in America or in Asia, typically earn higher scores on intelligence and achievement tests than white...