Recent & Relevantfindings beyond the laboratory to larger groupsof real-world employees addressing organizationrelevantchallenges during the course of 4 days ….Employees and contractors at a national laboratoryparticipated, either in a group setting or individually, inan electronic brainstorm to pose solutions to a realworldproblem …. The data demonstrate that (for thisdesign) individuals perform at least as well as groupsin producing quantity of electronic ideas, regardless ofbrainstorming duration. However, when judged withrespect to quality along three dimensions (originality,feasibility, and effectiveness), the individualssignificantly (p < .05) outperformed the group ….When quality is used to benchmark success, these dataindicate that work-relevant challenges are better solvedby aggregating electronic individual responses ratherthan by electronically convening a group …. Thisresearch suggests that industrial reliance on electronicproblem-solving groups should be tempered, and largenominal groups may be more appropriate corporateproblem-solving vehicles.”Sherry Southardjust to the new medium’s technology per se but to thenew rhetorical situations that the medium hosts.”Valerie J. VanceRhetorics of alternative mediain an emerging epidemic: SARS,censorship, and extra-institutional riskcommunicationDing, H. (2009). Technical Communication Quarterly, 18, 327–350.“This article examines how professionals and thepublic employed alternative media to participate inunofficial risk communication during 2002 SARSoutbreak in China. Whereas whistle-blowers usedalternative media such as independent overseasChinese Web sites and contesting Western media,anonymous professionals and the larger communitiesrelied more on guerrilla media such as text messagesand word of mouth to disseminate risk messagesduring official silence and denial.”Valerie J. VanceThe rhetorical situations of Web resumesKilloran, J. B. (2009). Journal of Technical Writing and Communication,39, 263–284.“This article questions how professionalcommunication genres already well established in printform have been changing as they are transplanted intodigital media like the Web. Whereas some technologyorientedgenre research has sought how a new mediumprovides genres with new technological features, thisarticle argues that a more insightful approach wouldseek how a new medium, together with its users,provides genres with new rhetorical situations. I adaptLloyd Bitzer’s three situational dimensions of exigence,audience, and constraints. Then, to illustrate how thenew rhetorical situations of the Web can influence agenre, I explore the genre of the resume. Drawing on asurvey of 100 Web resume authors and an analysis oftheir sites, I show that as each of the three dimensionsof the resume’s traditional rhetorical situation hasopened itself to greater diversity on the Web, the Webversion of the resume genre has correspondinglyreoriented itself. Hence, genres change in response notWriting an introduction to theintroductionHartley, J. (2009). Journal of Technical Writing and Communication, 39,321–329.“Many authors give advice to students about howto write the Introduction section of their articles.Some give examples of different ways of doing thisin general, and a few discuss the opening sentence inparticular. In this article, 13 different types of openingsentences are outlined, and their usage contrastedin British and American journals in the Sciencesand Social Sciences. Implications for teaching areconsidered.”Valerie J. Vance360 Technical Communication l Volume 57, Number 3, August 2010
Recent & RelevantRecent & RelevantComputer IssuesAnalysis of alternative keyboards usinglearning curvesAnderson, A. M., Mirka, G. A., Joines, S. M. B., & Kaber, D. B. (2009).Human Factors, 51, 35–45.“To quantify learning percentages for alternativekeyboards (chord, contoured split, Dvorak, and splitfixed angle) and understand how physical, cognitive,and perceptual demand affect learning …. Alternativekeyboards have been shown to offer ergonomicbenefits over the conventional, single-plane QWERTYkeyboard design, but productivity-related challengesmay hinder their widespread acceptance …. Sixteenparticipants repeatedly typed a standard text passageusing each alternative keyboard. Completion timeswere collected and subsequent learning percentageswere calculated. Participants were asked to subjectivelyrate the physical, cognitive, and perceptual demandsof each keyboard, and these values were then relatedto the calculated learning percentages …. Learningpercentage calculations revealed the percentage for thesplit fixed-angle keyboard (90.4%) to be significantlydifferent (p < .05) from the learning percentages forthe other three keyboards (chord, 77.3%; contoursplit, 76.9%; Dvorak, 79.1%). The average taskcompletion time for the conventional QWERTYkeyboard was 40 s, and the average times for thefifth trial on the chord, contoured split, Dvorak, andsplit fixed-angle keyboards were 346, 69, 181, and42 s, respectively …. Productivity decrements can bequickly regained for the split fixed-angle and contoursplit keyboard but will take considerably longer forDvorak and chord keyboards. The split fixed-anglekeyboard involved physical learning, whereas theothers involved some combination of physical andcognitive learning, a result supported by the subjectiveresponses …. Understanding the changes in taskperformance time that come with learning can provideadditional information for a cost-benefit analysiswhen considering the implementation of ergonomicinterventions.Delays and user performance in humancomputer-networkinteraction tasksCaldwell, B. S., & Wang, E. (2009). Human Factors, 51, 813–830.“This article describes a series of studies conductedto examine factors affecting user perceptions,responses, and tolerance for network-based computerdelays affecting distributed human-computernetworkinteraction (HCNI) tasks …. HCNI tasks,even with increasing computing and networkbandwidth capabilities, are still affected by humanperceptions of delay and appropriate waiting timesfor information flow latencies …. Conducted were6 laboratory studies with university participants inChina (Preliminary Experiments 1 through 3) andthe United States (Experiments 4 through 6) toexamine users’ perceptions of elapsed time, effectof perceived network task performance partners ondelay tolerance, and expectations of appropriate delaysbased on task, situation, and network conditions ….Results across the six experiments indicate that users’delay tolerance and estimated delay were affected bymultiple task and expectation factors, including taskcomplexity and importance, situation urgency andtime availability, file size, and network bandwidthcapacity. Results also suggest a range of user strategiesfor incorporating delay tolerance in task planning andperformance …. HCNI user experience is influencedby combinations of task requirements, constraints,and understandings of system performance; toleranceis a non-linear function of time constraint ratios ordecay …. Appropriate user interface tools providingdelay feedback information can help modify userexpectations and delay tolerance. These tools areespecially valuable when delay conditions exceed afew seconds or when task constraints and systemdemands are high. Interface designs for HCNI tasksshould consider assistant-style presentations ofdelay feedback, information freshness, and networkcharacteristics. Assistants should also gather awarenessof user time constraints.”Sherry SouthardSherry SouthardVolume 57, Number 3, August 2010 l Technical Communication 361
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AUGUST 2010Volume 57 Number 3SPECIA
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PresidentMichael A. HughesVice Pres
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VoLuME 57, NuMBER 3AUGUST 2010ISSN
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Guest EditorialKirk St.Amant and Ma
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Applied ResearchTechnical Communica
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Applied ResearchNicole St. Germaine
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Applied TheoryTatiana BatovaIntrodu
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