My broad area of research is Urban sprawl and its management using Remote Sensing and GIS.

I have listed out factors (50+) influencing urban sprawl in developing countries like India after an extensive literature search.

In order to model urban sprawl I wish to reduce the number of factors from 50 to less than 10.

Many of the researchers used Delphi technique for reducing the number of factors.

Can you suggest any alternatives to Delphi/ techniques better than Delphi?

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