Structuring Phase
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Structuring Phase ysdn3006
PACT analysis
• used to scope a problem in a particular domain (sphere of activity)
activities incontexts
technologies
Requirements
Opportunities
People
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?