2016 | 296 | 151-162
Article title

Facing the brainstorming theory. A case of requirements elicitation

Title variants
Rewizja teorii burzy mózgów na przykładzie pozyskiwania wymagań
Languages of publication
Knowledge is still considered to be power and its externalization makes it possible for others to use that power. In this paper, we examine the theory of brainstorming, and the claim by father Alex Osborn that in a group session an individual can think of twice as many ideas than working alone. In the context of requirements elicitation, we performed an experiment on a “nominal” and a “real” group of participants, following a procedure based on the Jaccard index. However, the obtained results do not provide evidence to support the above opinion, because during a five-minute session, participants working individually produce over 43% more ideas than a group of different participants.
Wiedza jest ciągle postrzegana jako źródło siły, zaś jej ekternalizacja czyni ją dostępną dla innych. W niniejszym artykule poddano rewizji teorię burzy mózgów, w szczególności założenie jej Autora Alexa Osborna, że w trakcie sesji grupowej (realnej) pojedyczny uczestnik wygeneruje dwa razy więcej myśli (idei) niż w trakcie samodzielnej (nominalnej) sesji. W kontekście pozyskiwania wymagań został przeprowadzony eksperyment na grupach nominalnych i realnych. Do porównania otrzymanych wyników wykorzystano indeks Jaccarda. Otrzymane wyniki jednak stoją w sprzeczności z powyższym stwierdzeniem, pokazując, że o 43% więcej idei wygenerowały pojedynczy uczestnicy badania w porównaniu do ich grup.
Physical description
  • Gdańsk University of Technology. Faculty of Management and Economics. Department of Applied Informatics in Management
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