This project has been funded with support from the European Commission. This publication [communication] reflects the views only of the author, and the Commission cannot be held responsible for any use which may be made of the information contained therein.
© 2018 UCIMU, AFOL, Milano, Italy | Nachwuchsstiftung Maschinenbau gGmbH, Bielefeld, Germany
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 | How to use this learning unit |
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The problem solving process |
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 | Simplex, Appreciative inquiry, SSM |
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Definition of the problem |
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 | Appreciation (situational) - Understanding the full implications of a fact |
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 | Root Cause Analysis - Tracing a problem to its origins |
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 | Cause and effect analysis (Ishikawa Diagrams) |
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 | Change the perspective (0) |
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Evaluating and selecting alternatives |
The implementation of possible solutions |
Lateral thinking - analytic approach |
 | The Analytic Hierarchy Process |
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Lateral thinking – holistic / systemic approach |
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The AHP considers a set of evaluation criteria, and a set of alternative options among which the best decision is to be made.
The AHP generates a weight for each evaluation criterion according to the decision maker’s pairwise comparisons of the criteria. The higher the weight, the more important the corresponding criterion. Next, for a fixed criterion, the AHP assigns a score to each option according to the decision maker’s pairwise comparisons of the options based on that criterion.
The higher the score, the better the performance of the option with respect to the considered criterion. Finally, the AHP combines the criteria weights and the options scores, thus determining a global score for each option, and a consequent ranking.
The global score for a given option is a weighted sum of the scores it obtained with respect to all the criteria.
Analytic Hierarchy Process (AHP) is a tool for dealing with complex decision making: reducing decisions to a series of pairwise comparisons, then synthesizing the results, helps to find subjective and objective aspects.