Since its debut in 1998, an online test has allowed people to discover prejudices that lurk beneath their awareness — attitudes that researchers wouldn’t be able to identify through participant self-reports. The Observer examines the findings generated by the Implicit Association Test over the past 20 years.
Big Data involving thousands and thousands of participants is enabling researchers to track the development of different cognitive skills across the lifespan with increasing accuracy. And the results of these studies bring light to some surprising — and perhaps heartening — findings about the aging brain.