comparison of adaptive conjoint analysis and simple multiattribute rating theory dwayne ball david l olson university nebraska application to compare simplified versions utility identify practice attributes that primary care physicians believe would help them provide optimal for elderly patients given the large number potential levels in case full methods involve too many questions great a complexity subjects this proof concept proposal has purpose comparing relative accuracy subject burden among profile ratings based motivation population will continue expand rapidly until middle 21st century if objective 1 5 healthy people 2010 increase proportion persons with usual provider is be met need volume older they there are some indications may not welcome larger between 30 50 limit damiano cykert
