The National Law Journal recently advised lawyers to "think marketing" at all times, even when writing briefs or taking depositions.

To help find a sympathetic jury, Ms. Stewart hired Julie Blackman, a social psychologist who specializes in advising lawyers.

He said his group had not flatly advised lawyers not to participate but would take up the issue at the group's annual meeting next month.

Over the last two decades, such methods have been refined to the point that 300 or more consulting groups now advise lawyers on jury selection.

Jay Schulman, a sociologist who advised lawyers in the selection of jurors, died yesterday in his apartment on Central Park West.

Craig D. Ball is a computer forensic analyst and former trial lawyer who advises judges and lawyers on the use of electronic evidence.

In his last years, much of his professional time was spent advising lawyers in his firm on a wide range of matters.

He is one of a growing breed of experts who advise lawyers and clients on their appearances.

Ms. Beinecke advises female lawyers in particular to develop their own style and not mimic role models.

Mr. Leppla routinely advises and represents lawyers and judges in matters of professional ethics.