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2021-03-24 11:34:57 | onclick: | We provide formal Delphi data statistics services

Wen Hua Xuan Statistical Consulting Company provide statistical analysis assistance services for the revision of formal Delphi questionnaire data. We are able to design Delphi questionnaire and statistical analysis assistance services according to requirements of the thesis questionnaires for postgraduates and phD students, which include the design and data statistics service for AHP questionnaire.
Delphi method, also known as expert investigation method, was initiated and implemented by the Rand Corporation in 1946. The method is to form a special forecasting organization by the enterprise including a number of experts and enterprise forecast organizers. The forecast is made according to the prescribed procedures, back-to-back consultation experts on the future market opinion or judgment.
The Delphi method is essentially a feedback anonymous inquiry method. The general process is as follows: After obtaining the opinions of experts on the problems to be predicted, the researchers will sort out, conclude and make statistics, and then give feedback to the experts anonymously. Then researchers will ask for feedback again and give feedback until reaching a consensus. The process can be simply expressed as follows:
Ask for expert advice anonymously—make a conclusion and conduct statistics -- give feedback to the experts anonymously -- make a conclusion and conduct statistics – for several rounds
Thus it can be seen that Delphi method is a process of collective anonymous exchange of ideas in the form of letter consultation.
Thus it can be seen that Delphi method is a kind of collective anonymous thought exchange process using the form of letter inquiry. It has three characteristics that clearly distinguish it from other expert forecasting methods, namely anonymity, multiple feedback, and group statistical responses.
1.AnonymityWith this approach, all panel members do not meet directly, but only communicate by letter, thus it is easy to eliminate the influence of authority. It is the main characteristic of the method. Anonymity is one of the most important features of the Delphi method. Anonymity is one of the most important features of the Delphi method. Forecasters do not know who else is making predictions, and they communicate their ideas anonymously. The later improvements for the Delphi method allowed experts to meet for seminars.
2.feedbackThis method requires 3 to 4 rounds of feedback. In each feedback, the investigation team and the expert group can conduct in-depth research, so that the final results can basically reflect the basic ideas and understanding the information of the experts, so that the results are more objective and credible. The communication method in this group is answering questions and it usually takes several rounds of feedback to complete the prediction.
3.StatisticsThe most typical group prediction results reflect the majority opinion. The views of the minority are mentioned but this did not reveal the state of the group's dissent. But the statistical answer is not. It reports 1 median and 2 quartiles, half of which are within 2 quads and the other half are not. By including everyone’s opinion, the method avoid the shortcoming of the expert meeting method, which only reflects the views of the majority.
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