Eliciting Requirements - Requirements Categorization According to the Kano Model

4 important questions on Eliciting Requirements - Requirements Categorization According to the Kano Model

What are the three satisfaction classes according to dhr. Kano

  1. Basic factors (must)(dissatisfiers, subconscious requirements)(fulfilled by the system in any case)
  2. Performance factors (must)(satisfiers, conscious requirements)(know to stakesholders and explicitly demand)
  3. Excitement factors (delighters, unconscious requirements)(creativity techniques to get it)

What are dissatisfiers? (KANO-Model)

Subconscious requirements;
Basic factors to be fulfilled in any case:
  • Dominantly influenced by existing systems;
  • Elicitation from observation and documentation.

What are Satisfiers? (KANO-Model)

Conscious requirements;
Performance factors, explicitly demanded:
  • No acceptance if missing;
  • Elicitation by survey techniques.
  • Higher grades + faster learning
  • Never study anything twice
  • 100% sure, 100% understanding
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What are Delighters? (KANO-Model)

Unconscious requirements;
Excitement factors, a pleasant surprise:
  • Recognized only after proposal or trial;
  • Elicitation by creativity techniques.

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