ERA/LVA/R-00:000

Experience with qualitative methods

Using Cooper’s Personas in System Development

2000-10-03 Kristian Sandahl2ERA/LVA/R-00:000

Overall process

Interviews Personas Scenarios System requirements

TASKTask 1 Task 2 Task 3 Task 4

Fn 1.1 Fn 2.1

Fn 1.2

Fn 1.3

2000-10-03 Kristian Sandahl3ERA/LVA/R-00:000

Personas

• Describe stereotypical users• Users are defined by goals• Details added for creating a credible and

representative person• There should be a primary persona• In essence: A technique for protocol analysisIdea from Alan Cooper: The inmates are running

the asylum, SAMS 1999.

2000-10-03 Kristian Sandahl4ERA/LVA/R-00:000

Scenarios

• Describe the overall workflow• Convey contextual information• Convey ideas, attitudes and facts not covered in

the personas• A play in different acts

2000-10-03 Kristian Sandahl5ERA/LVA/R-00:000

Functional requirementsSuggestion for a Cut in the Conceptual Model

Controlling Monitoring(Real-time)

Analyzing “Object Handling”

Define which to use See which that have beenchosen

Get historic measurementvalues

See details for a certain Start predictions

Start the mode See which that has beensetup for

Get detailed statistics for an See details for a certain Stop predictions

Stop the mode Get an overview Get a indication See details for a certain See predicted

Start See if any have beenreached

See for statistics and data Configure Study important

Stop See if any have beenreached for the

Get detailed statistics for a Customize Study behavior

Define Select Get reports for historichardware failures

Change the weighting Zoom for details

Create Zoom for details Get statistics Study on comprised by thesame

Choose View important recentConnect an to a

2000-10-03 Kristian Sandahl6ERA/LVA/R-00:000

Experience

• An enthusiastic reception amongst stake-holders

• Traceable requirements• A good way of protocol analysis• Roughly 15 interviewees • 2 x 2 person-weeks for creating 3 personas• Lot of laughter