Northwestern U. Concludes Investigation of Sex Researcher but Keeps Results Secret

Northwestern University has concluded its investigation into complaints against J. Michael Bailey, a professor of psychology who has been accused of failing to inform transsexual women that they were research subjects before he wrote about them in a 2003 book. But the university will not reveal its findings or say whether it punished Mr. Bailey.

Meanwhile, Mr. Bailey resigned as chairman of the university's psychology department in