The feature-positive effect is a phenomenon that occurs when individuals in a group tend to overestimate the value of a particular feature or attribute when making a decision. This can lead to a bias in the decision-making process, as the group may prioritize this feature over others that may be more important in the long run.

One key aspect of the feature-positive effect is that it is often driven by emotions rather than logic. Individuals in a group may become excited about a particular feature, leading them to overestimate its value and prioritize it over other, more important considerations. This can result in suboptimal decisions, as the group may overlook important factors that could have a significant impact on the success of their decision.

The feature-positive effect can also be exacerbated by group dynamics, as individuals may feel pressured to conform to the opinions of others in the group. This can lead to a "herding" effect, where individuals may adopt the opinions of others in the group without fully considering the implications of those opinions.

However, this effect can be mitigated by implementing a formal decision-making process, in which all members of the group are encouraged to voice their opinions and consider all relevant factors. This can help to ensure that the group is not swayed by emotions or group dynamics, and that the decision is based on a thorough examination of all relevant factors. Additionally, involving diverse groups of people in decision making can help to mitigate the feature-positive effect, as diverse perspectives can help to highlight different features and attributes that might otherwise be overlooked.