Assignment

Aim of method usage:
rate alternatives weight solution variants support decisions

Method classification:
Methods for evaluation and decision making

Process phase:
conceptual design embodiment design

Useful links:

Glossary

Literature

Weighted Point Rating System

The weighted point rating system is an evaluation procedure allowing for a detailed comparison of solution variants.
The method is an extended version of the basic point rating system as it includes the weighting of the evaluation criteria. The different solution variants are awarded a different number of points which is then multiplied with the weight for each criterium. Through summation a total point value is calculated and the solution variants can be ranked accordingly.

Procedure

Define evaluation criteria: the evaluation criteria are only a fraction of the requirements listed and depend on the present decision-making situation.
Weighing of evaluation criteria: the criteria are awarded different values according to their importance.
Determination of point value: Each solution variant is given points depending on how closely it fulfills the criteria. Additionally, concrete characteristics for each criterium are set.
Scoring system: Each solution variant gets points for the different criteria.
Calculation total sum of points: It is done by adding up the points for each alternative.
Establish ranking: the solution variants are ranked according to their amount of points.

Strengths and weaknesses

Strengths	Weaknesses
intensive analysis of solution variants higher level of objectivity than with basic point rating system	evaluations are colored by solutions favored in group total objectivity is impossible too much faith in numbers, results need to be critically reflected

Similar methods

Point Rating System

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