After screening the abstracts and full papers, the searches identified 17 trials that met the inclusion criteria of this study (table 1), and we were able to obtain the patient level data for 11 studies (table 2).w1-w12 All the trialists had used simple preferences, whereby the participants indicated which treatment they preferred or if they were indifferent to the treatments.
The key property throughout is non-homotheticity of consumers' preferences, whereby the market demand for goods changes as income distribution changes, even if the total income of all consumers remains fixed.
For several years now, consumers have been demanding more vegetable-forward options, as part of a larger shift in diner preferences whereby red meat has begun assuming a reduced role in foodservice settings.
They all show the same preferences, whereby Mg > Ca > Mn.
Market-value-contingent preferences, whereby more attractive individuals demonstrate stronger preferences for attractive characteristics in images of potential mates (e.g., Little & Mannion, 2006), also suggest that assortative preferences for cues of adiposity could occur.
The cost of TKR surgery in Australia, given that it is considered an elective procedure, has been shown to influence patient preferences, whereby having private health insurance, rather than income alone, predicted uptake [ 32].
DCE is a stated preference method, whereby respondents are asked to choose their preferred alternative between pairs of hypothetical scenarios (here, competing programs) characterized by several attributes (here, program inputs).
Selective generation is also supported, whereby preferences on the structure of generated prime implicants can be specified.
Here we show the results of an online photographic questionnaire completed by 8,000 participants whereby preferences were assessed for a set of 116 reef fishes.
