Published on October 1, 2007
Structuring Phase ysdn3006
PACT analysis • used to scope a problem in a particular domain (sphere of activity) Requirements activities in People technologies contexts Opportunities
PACT analysis • People have differing characteristics • physical differences (eg. weight and height, senses, disabilities) • psychological (spatial ability, language, attention and memory) = support mental models • usage differences (novice, advanced, homogenous vs. heterogeneous
PACT analysis • Activities need to be considered by the design team • purpose of the activity = important • frequency (eg. everyday or once a year) • cooperation (alone or with others) • complexity (simple, complicated) • safety critical (dangerous, errors) • nature of content (amount of data)
PACT analysis • Contexts are where activities occur • physical context (eg. environment) • social context (eg. privacy ) • organizational context (eg. within companies, organizations)
PACT analysis • Technologies are used to perform functions • input - people enter data, commands (eg. wiki postings) • output - receive data (eg. video on YouTube) • communication - between people and devices (cellphone) • content - form and accuracy of data (eg.YSDN website)
Scoping a problem with PACT • Important to harmonize the PACT elements in a particular domain • Useful to understanding current situation and look for opportunities • This can be done by scoping out the variety of Ps As Cs and Ts • observing and talking to people - user study to generate requirements
Requirements • goal is to bring about something new in what people do or might want to do • are generated by conducting user research • interviews • observations • by analyzing this data, designers get a better sense of what the system will need to do
Start a PACT Analysis • think about the communities in our public spaces • how are the communities deﬁned ? • contexts • activities • technologies • What are some communities we have identiﬁed in our public space research?
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