Herding stats: the quality measurement dilemma.

All over the country, millions of research dollars are being spent to devise an effective way of measuring quality that could be standardized in health care, and hospitals and managed care companies are experimenting with a variety of quality tools, trying to document what they now can only perceive as improvement. Experts are divided on what works best, but all applaud and embrace the efforts. In this special report, several of them discuss their views on what works, and what doesn't work, in the exploding field of health care quality measurement.