Six distinguished hospitality experts who had strong connections with hospitality education programs in thailand selected the 20 Delphi experts in this study from 60 hospitality educators who were individually nominated most frequently.
Each of those six hospitality experts was asked to prioritize a list of 10 hospitality educators who were eligible to serve on the Delphi panel and had met the criteria.
Those 20 nominee participants were considered as experts because of their knowledge and experience with the subject under investigation.