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Cathy Dudek

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Publications by Cathy Dudek (bibliography)

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» 2006 «

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Lindgaard, Gitte, Fernandes, Gary, Dudek, Cathy and Brown, J. (2006): Attention web designers: You have 50 milliseconds to make a good first impression. In Behaviour and Information Technology, 25 (2) pp. 115-126

“Three studies were conducted to ascertain how quickly people form an opinion about web page visual appeal. In the first study, participants twice rated the visual appeal of web homepages presented for 500 ms each. The second study replicated the first, but participants also rated each web page on seven specific design dimensions. Visual appeal was found to be closely related to most of these. Study 3 again replicated the 500 ms condition as well as adding a 50 ms condition using the same stimuli to determine whether the first impression may be interpreted as a 'mere exposure effect' (Zajonc 1980). Throughout, visual appeal ratings were highly correlated from one phase to the next as were the correlations between the 50 ms and 500 ms conditions. Thus, visual appeal can be assessed within 50 ms, suggesting that web designers have about 50 ms to make a good first impression.”

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» 2003 «

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Lindgaard, Gitte and Dudek, Cathy (2003): What is this evasive beast we call user satisfaction?. In Interacting with Computers, 15 (3) pp. 429-452

“The notion of 'user satisfaction' plays a prominent role in HCI, yet it remains evasive. This exploratory study reports three experiments from an ongoing research program. In this program we aim to uncover (1) what user satisfaction is, (2) whether it is primarily determined by user expectations or by the interactive experience, (3) how user satisfaction may be related to perceived usability, and (4) the extent to which satisfaction rating scales capture the same interface qualities as uncovered in self-reports of interactive experiences. In all three experiments reported here user satisfaction was found to be a complex construct comprising several concepts, the distribution of which varied with the nature of the experience. Expectations were found to play an important role in the way users approached a browsing task. Satisfaction and perceived usability was assessed using two methods: scores derived from unstructured interviews and from the Web site Analysis MeasureMent Inventory (WAMMI) rating scales. Scores on these two instruments were somewhat similar, but conclusions drawn across all three experiments differed in terms of satisfaction ratings, suggesting that rating scales and interview statements may tap different interface qualities. Recent research suggests that 'beauty', or 'appeal' is linked to perceived usability so that what is 'beautiful' is also perceived to be usable [Interacting with Computers 13 (2000) 127]. This was true in one experiment here using a web site high in perceived usability and appeal. However, using a site with high appeal but very low in perceived usability yielded very high satisfaction, but low perceived usability scores, suggesting that what is 'beautiful' need not also be perceived to be usable. The results suggest that web designers may need to pay attention to both visual appeal and usability.”

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Changes to this page (author)

19 Feb 2010: Enabled abstracts to be shown on Cathy Dudek's author page.
22 Jun 2007: Author was edited
28 Apr 2003: Added the author to the bibliography

Publication statistics

Publication period:2003-2006
Publication count:2
Number of co-authors:3



Productive colleagues

Cathy Dudek's 3 most productive colleagues in number of publications:

Gitte Lindgaard:32
J. Brown:2
Gary Fernandes:2


Collaboration count

Number of publications with 3 favourite co-authors:

Gitte Lindgaard:2
J. Brown:1
Gary Fernandes:1

 

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Mar 21

“ Software design is the act of determining the user's experience with a piece of software. It has nothing to do with how the code works inside, or how big or small the code is. The designer's task is to specify completely and unambiguously the user's whole experience. ”

-- David Liddle, From Bringing Design to Software, edited by Terry Winograd, 1996 ”

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Eva Hornecker on Tangible Interaction

Eva Hornecker explains the evolving concept of Tangible Interaction.

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