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Mastering Requirements Elicitation Techniques for Effective Project Understanding

This guide covers the essentials of understanding requirements, types of requirements, prioritization, methods for eliciting requirements such as interviews and questionnaires, and the significance of in situ observations for effective data gathering.

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Mastering Requirements Elicitation Techniques for Effective Project Understanding

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  1. Understanding Ebba ThoraHvannberg

  2. Goal • Understandwhatrequirementsare • Knowmethodstoelicitrequirements • Beabletounderstandtheserequirements

  3. Whatarerequirements? • A requirement is ‘ something the product must do or a quality that the product must have’ (Robertson and Robertson, 1999). • Requirementsarebothfunctional and non-functional

  4. Priority of requirements (MoSCoW) • Must have– • Must absolutelyhave • Shouldhave– • Wouldbe fundamental if enoughtime • Couldhave • Canomit • WanttohavebutWon’thavethistimeround – canwaituntillater

  5. Interviews – waystoelicitrequirements • Structuredinterviews – questionsdecideduponbeforehand • Semi-structureinterviews

  6. Supportmaterial for interviews • Storyboards • Scenarios

  7. Interviews • Beprepared and get toknowthedomain • Tryto get helpfromotherswhocantake notes • Beaware of an incorrectview of thereality • Repeatsttements and iteratemorecloselyto get details

  8. Generalquestions: • Tell me about a typicalday • Tell me aboutthreegoodthings and threebadthings • Be an apprentice • Whento stop • 2-3 interviewees per role • When no newrequirementsarefound

  9. Questionnaires • Youwillreachmorepeople • Timeconsuming and difficulttocreate • Responserationcanbelow

  10. Questionnaires

  11. In situ • Observepeoplewhiletheywork in theirownenvironment • Canbedifficulttoputoneself in people’ssituations in an interviewroom. • Becareful not todisturb. Be a flyonthewall. • Theexperience is strong and henceyoucannotderive at toogeneralassumptions. • Checkwhatyou do not see

  12. Data gathering

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