Monthly Archives: April 2013

Sawyer, P., Flanders, A. & Wixon, D. (1996) Making a difference – The impact of inspections. In Proceedings of the ACM CHI’96 Conference on Human Factors in Computing Systems. pp. 376-382.

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DOI=10.1145/238386.238579 Sawyer, Flanders and Wixon defined a metric called impact ratio to measure the effectiveness of usability evaluation methods. This numerical value presents the proportion of the problems that the development team commits to fix from all the problems found … Continue reading

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Hackman G.S. and Biers, D.W. (1992) Team Usability Testing: Are two Heads Better than One? Proceedings of the Human Factors and Ergonomics Society Annual Meeting, October 1992; vol. 36, 16: pp. 1205-1209.

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DOI= 10.1177/154193129203601605 Hackman and Biers made studies to compare the performance of a single user alone, a single user with an observer and a pair of users all using the thinking aloud method. Their results showed that the presence of … Continue reading

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Höysniemi, J., Hämäläinen, P. and Turkki, L. (2003) Using peer tutoring in evaluating the usability of a physically interactive computer game with children. Interacting with Computers, Vol. 15, No. 2, pp. 203-225.

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DOI= 10.1016/S0953-5438(03)00008-0 This study used peer tutoring to evaluate an interactive computer game with children. They used either a pair of children or one child at a time to teach the use of the game to another child. This way, … Continue reading

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Kennedy, S. (1989) Using video in the BNR usability lab. SIGCHI Bulletin. Vol. 21, No. 2, pp. 92-95.

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DOI=10.1145/70609.70624 Co-discovery learning shares many principles with constructive interaction, but in addition, has a list of spesific tasks and includes a reflection on the task difficulty after each task. Sue Kennedy and her colleagues used this method in evaluating various … Continue reading

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O’Malley, C.E., Draper, S.W. & Riley, M.S. (1984) Constructive interaction: A method for studying human-computer-human interaction. In Shackel, B. (Ed.) Human-computer interaction – INTERACT’84. pp. 269-274.

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Constructive interaction is a method involving two users at the same time in solving a problem. O’Malley et al. brought this method into the studies of human-computer interaction in the mid 1980’s. In this method, two subjects with comparable expertise … Continue reading

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Eppler, M.J., (2011) What is an Effective Knowledge Visualization? Insight from a Review of Seminal Concepts, 15th International Conference on Information Visualisation

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Paper discusses different concepts related to knowledge visualization. My interest was on the concepts ‘conscription device’ and ‘boundary object’ (in particular, on conscription devices). Boundary objects have different meanings in different contexts, but their structure is common enough to more … Continue reading

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