Describe the validation processes used throughout an object-oriented design process. Reason the placement of each validation step in the process and what is the purpose of each validation?
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The earlier in the development process a fault is discovered, the cheaper it is to correct the fault. Validation methods are a way of finding faults in the Object Oriented design. The methods presented in this description are
Technical review, perspective based inspection and checklist-based inspection is studied further in an experiment. FTA is not included in the experiment due to the large difference in complexity compared to the other methods. In the experiment, three design diagrams (one class diagram, one collaboration diagram without stereotypes and one collaboration diagram with stereotypes) are validated by 11 subjects. The subjects were divided into three groups; one for each validation method and each subject validated all three diagrams. The result of the experiment is divided into two parts. The descriptive statistics indicates that there is a difference in the number of faults found and time spent per fault between the review and the inspection methods. The difference between the two inspection methods is very small. The data is also tested statistically with ANOVA, and the result of this test indicates that there is no significant difference between the validation methods. The validation methods have also been assessed, ranked and recommendations are presented. The descriptive statistics and literature studies have mainly been used for this ranking. FTA: Finds many faults, but requires a lot of preparation and training before the validation.
Describe the validation processes used throughout an object-oriented design process. Reason the placement of each validation...
Describe the validation processes used throughout an object-oriented design process. Reason the placement of each validation step in the process and what is the purpose of each validation?
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