Delphi Technique- A Review
Surveys play a major role in health sciences research. Delphi technique is a kind of detailed survey having diversified uses in dental research. It is a method for the systematic solicitation and collation of judgments on a particular topic through a set of carefully designed sequential questionnaires interspersed with summarized information and feedback of opinions derived from earlier responses. Many important clinical issues do not yield to randomized clinical trials or to stepwise quantitative data analysis. In such cases, professionals use their training and personal anecdotal experience to assist decision making in a variety of practice contexts. In these circumstances, consensus opinion of experts provides a formal structured process for decision making. Consensus procedures also use the resources of all participants, commit them to the project, and enhance the future decision-making ability of the group with regard to resolution of the clinical problem addressed. Delphi process consists of a series of rounds; in each round every participant worked through a questionnaire which has to be returned to the researcher who collected, edited, and returned to every participant, a statement of the position of the whole group and the participant’s own position about the research issue. Every participant reassesses their initial judgments about the information provided in previous iterations. This article aims at describing the methodology of Delphi technique.
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