2. CHAPTER 7: EVALUATION OF INTERACTIVE SYSTEM Software life cycle concerning also user interaction
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23. EVALUATION PLAN What paradigm of evaluation to use? Objective (observation) Problems detections Broad range Modify behavior Subjective Less expensive Usage opinion Precision Response rate Predictive (model) Non necessary system Less expensive Limit range Predictive (expert) Expertise May miss out the problems
24. EVALUATION PLAN When do we use a particular paradigm of evaluation? Field studies Predicative Laboratory usability Quick and dirty
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26. EVALUATION AND DIVERSITY OF USERS Analyze the statistic of result 1 2 3 4 5 6 7 Average Age 37 41 43 54 46 44 21 40.9 Sex F F M M F F M 4F, 3M Education level 4 2 4 4 4 1 2 3.0 PC years 5 2 0 2 6 4 9 4.0 Usage facility 1 2 2 1 2 3 1 1.7 Help quality 1 3 3 1 3 2 2 2.1
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Hinweis der Redaktion
A priori: base on theory, logic, fixe rules or forms, etc.
Paradigm: pattern, example, model Cognitive walkthrough: focusing on how easy it is for new users to accomplish tasks with the system Heuristic: Helping to discover or learn
Evident: easy to see or preview
Flagrant : evident Metrique : qui a rapport au m ètre
Retention : a retaining or being retained
Déontologie : Théorie des obligations morale qui régissent une profession Vigueur : Force pour agir (physique ou morale)