Delphi Method
June 25, 2025 Reading time ≈ 2 min
The content of the article
What is the Delphi Method
The Delphi Method is an expert assessment technique used to obtain group consensus on complex issues. It's particularly valuable for forecasting future developments or solving problems with no clear solutions.
The method is considered effective because it eliminates the influence of dominant participants or external factors, helping to achieve more objective and consensus-driven forecasts.
Applications of the Delphi Method
The Delphi Method is employed when seeking expert consensus on complex or uncertain problems. Key applications include:
- Future forecasting. Predicting potential scenarios in technology, economic trends, or social changes
- Decision-making under uncertainty. Providing probable solutions when data is insufficient
- Strategy development. Creating organizational plans based on collective expert knowledge
- Risk assessment. Evaluating project risks and success probabilities
- Priority setting. Determining the most promising research or product development directions
- Solving interdisciplinary problems. Integrating perspectives from different specialties
Delphi Method Methodology
The Delphi Method involves several key stages for achieving expert consensus through iterative anonymous surveys:
- Expert panel formation. Selecting 10-50 specialists with diverse perspectives
- Problem definition. Creating clear, specific questions about the issue
- First survey round. Collecting anonymous expert opinions (qualitative/quantitative)
- Response analysis. Identifying trends, averages, and key points
- Second survey round. Sharing initial results for expert reconsideration
- Subsequent rounds. Repeating process (typically 2-4 rounds) until consensus emerges
- Final analysis. Compiling results into forecasts or solutions
- Reporting. Creating recommendations for decision-makers
Method advantages:
- Anonymity reduces dominant personality influence
- Iterative process refines opinions
- Effective in uncertain, information-scarce situations
- Valuable for forecasting and complex problem-solving
Improving the Delphi Method
Several strategies can enhance the Delphi Method's accuracy and effectiveness:
- Expert selection. Include diverse, highly competent specialists
- Question clarity. Ensure unambiguous, specific questions
- Digital platforms. Use online tools and AI for faster processing
- Round optimization. Limit to 2-3 rounds to prevent fatigue
- Detailed feedback. Share comprehensive results including rationale
- Partial discussions. Maintain anonymity while allowing some dialogue
- Mixed data. Combine numerical ratings with qualitative comments
- Question hierarchy. Structure from broad to specific questions
- Expert motivation. Emphasize topic importance and offer incentives
- Continuous improvement. Conduct pilot surveys and gather feedback
These enhancements can make the Delphi Method more precise, flexible, and effective for complex problem-solving and forecasting.