Wideband Delphi Method for Effective Group Decision-Making

Wideband Delphi is a consensus-based estimation method that is used to estimate the effort required to complete a software development project. It is based on the Delphi method, which is a process used to gather opinions or predictions from a group of experts.

In the Wideband Delphi method, a group of experts (typically developers) are asked to independently estimate the effort required to complete a set of tasks. The estimates are then collected and discussed as a group, and the experts are asked to revise their estimates based on the input of the other experts. This process is repeated several times until the group reaches a consensus on the estimates.

Wideband Delphi is often used in Agile development because it allows teams to quickly and accurately estimate the effort required for a project without relying on a single person's opinion. It also allows teams to identify and address any discrepancies in understanding or knowledge about the project, which can help improve overall project planning and execution.

This can help prevent:

  • HIPPO stands for "Highest Paid Person's Opinion" and it refers to the phenomenon of decision-making where the opinion of the person with the most authority or highest salary is given the most weight, regardless of the input or expertise of others. It is often considered an ineffective way to make decisions because it doesn't take into account the input and expertise of other team members.
  • Groupthink is a phenomenon that occurs when a group of people make a decision without critically evaluating all options and alternatives due to the desire for harmony within the group. It leads to poor decision-making and can have negative consequences for the group and its goals. It is characterized by a lack of dissenting opinions, an illusion of invulnerability and unanimity, and pressure to conform to the group's decision.
  • The bandwagon effect is a phenomenon where people conform to the actions or decisions of the majority, believing it to be correct. This can be seen in various contexts and can have positive or negative outcomes.






Location: San Francisco, CA, USA

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