Then: Purity Tests; Now: Psychoanalysis Online

Internet tests of someone's IQ or alleged "purity" have long existed on the Web, but now computer technology has advanced far enough to allow scientists to craft tests to assess one's potential for autism or racial bias. Delving deeper into the human brain online had been the province of a simple array of web forms that toted up right and wrong answers. Identify enough brain-teasers on an IQ test and watch the score soar. Different sites yielded different results, so a genius-country 130 on one site may be a brain-busting 160 on another. Those days have changed, as a couple of online tests that have recently begun to circulate demonstrate. MSNBC has been here. Add to document.write("Del.icio.us") | Yahoo! My Web David Utter is a staff writer for Murdok covering technology and business.