C u r r e n t s t r a t e g i e s t o r e f o r m h e a l t h c a r e rely on encouraging consumers to make informed choices in order to help discipline the market. When consumers are informed about the relative cost and quality of health plans, it is assumed that, faced with the collective effect of their educated choices, plans and providers will compete on both cost and quality. According to this view, informed consumers will reward those providing the highest quality of care at the lowest price and will make choices that are more satisfying and more appropriate to their individual needs.When there is no public disclosure of quality information, plans may compete on cost alone. Competition based solely on cost may give plans and providers a strong incentive to skimp on the care they provide to their enrolled populations. Therefore, it is critical that quality information be used in choosing health plans.The dissemination of quality information may lead not only to the selection of high-performing health plans; it may also raise awareness of quality issues and broaden consumer concepts of quality. Performance measures reveal what health plans should be doing for members and what constitutes good care. Thus, information about quality could even-