Observing users in the field. Lorrie Faith Cranor September 2009. Why observe users in the field?. Example of Design Failure. BART “Charge-a-Ticket” Machines allow riders to buy BART tickets or add fare takes ATM cards, credit cards, & cash. Example of Design Failure.
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Lorrie Faith Cranor
AnalysisTask Analysis Questions
Iachello, G., Truong, K. N., Abowd, G. D., Hayes, G. R., and Stevens, M. 2006. Prototyping and sampling experience to evaluate ubiquitous computing privacy in the real world. CHI2006.DOI= http://doi.acm.org/10.1145/1124772.1124923