Re-reconsidering Burt: Beyond a reasonable doubt

The Burt controversy has taken a number of strange twists and turns, leading many observers to conclude that has been exonerated of the accusation that he fabricated his data on monozygotic twins reared apart. A comparison of his twin sample with that from other well documented studies, however, leaves little doubt that he committed fraud. © 1997 John Wiley & Sons, Inc.