Best–worst scaling: What it can do for health care research and how to do it

Statements like “quality of care is more highly valued than waiting time” can neither be supported nor refuted by comparisons of utility parameters from a traditional discrete choice experiment (DCE). Best–worst scaling can overcome this problem because it asks respondents to perform a different choice task. However, whilst the nature of the best–worst task is generally understood, there are a number of issues relating to the design and analysis...