Weighted Aggregated Sum Product Assessment
Updated 2026-08-10
INTRODUCTION
English translation pending.
CORE DEFINITION
WASPAS, Weighted Aggregated Sum Product Assessment, is a hybrid method that combines the weighted sum method (WSM) and the weighted product method (WPM), tuning the weight of each through a coefficient to reach one composite score. As a hybrid decision strategy it fuses the strengths of both methods, which raises the robustness of the final ranking.
SCAFFOLDING EFFECT
Reduce cognitive load
- Blend the two scores: combine the additive and the multiplicative views of the same data. - Tune the coefficient: decide exactly how much weight each single method contributes. - Trust the blend: remember that the hybrid is more robust than either method alone.
Anchor fast decisions
A hybrid of WSM, the weighted sum, and WPM, the weighted product, combined through the coefficient into one composite score. It keeps the sensitivity of addition to linear contributions and the sensitivity of multiplication to proportions and zero values, which is what makes the ranking more robust.
MINIMUM ACTION
In progress 0/1Practice this model in one real situation:
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Source support: Explicit
- en.wikipedia.orghttps://en.wikipedia.org/wiki/Multiple-criteria_decision_analysisverified
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