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What's in your mind?: Collegial Verbalisation – An ecological approach to knowledge elicitation
Uppsala universitet, Teknisk-naturvetenskapliga vetenskapsområdet, Matematisk-datavetenskapliga sektionen, Institutionen för informationsteknologi, Avdelningen för visuell information och interaktion. Uppsala universitet, Teknisk-naturvetenskapliga vetenskapsområdet, Matematisk-datavetenskapliga sektionen, Institutionen för informationsteknologi, Bildanalys och människa-datorinteraktion.
2014 (engelsk)Doktoravhandling, med artikler (Annet vitenskapelig)
Abstract [en]

Knowledge elicitation of the work of professional operators, using traditional methods such as concurrent or retrospective verbalization is problematic. Concurrent verbalization distracts the operators from their primary task, and the operators have difficulties in verbalizing about their automated work tasks. Retrospective verbalization on the other hand, suffers from rationalization problems. An operator might give a perfectly good explanation of some action taken and might also be completely confident about truth of the verbalized information, when it in fact is incorrect. To overcome some of these problems, this thesis presents a new complementary verbalization method called Collegial Verbalization (CV).

The CV-method utilizes the shared knowledge among work colleagues to improve the quality of the resulting information. The method consists roughly of the following steps; (1) Video tape subjects while they are working. (2) Play back interesting events to the subject’s colleagues individually and let them verbalize on the subject’s actions. (3) Compare the colleagues’ verbal reports to each other to find similarities, differences, etc. Throughout my research I have formulated, defined and assessed the new method in detail. The method has been applied to study train drivers, high-speed ferry operators, train traffic dispatchers and the medical staff at intensive care units.

Comparative studies have shown; (1) that CV-protocols can be used as an independent source of data, (2) that colleagues produce reports with similar characteristics of retrospective verbal reports, (3) that the CV-method can produce more information than retrospective verbalization, because of the advantage of using multiple narrators. When the intention is to gather data as input to design, rather than establishing the original thought processes form the time of the studied events, the CV-method can also produce more reliable information than retrospective verbalization, because of the advantage of using multiple narrators.

Based on these results, I have concluded that the CV-method has a clear advantage as a complementary information acquisition method, when studying the work of professional operators. The thesis ends with a discussion about several additional possible applications for the CV-method, such as applied team learning or psychological research in the field of decision making.

sted, utgiver, år, opplag, sider
Uppsala: Acta Universitatis Upsaliensis, 2014. , s. 108
Serie
Digital Comprehensive Summaries of Uppsala Dissertations from the Faculty of Science and Technology, ISSN 1651-6214 ; 1147
HSV kategori
Forskningsprogram
Datavetenskap med inriktning mot människa-datorinteraktion
Identifikatorer
URN: urn:nbn:se:uu:diva-223173ISBN: 978-91-554-8952-6 (tryckt)OAI: oai:DiVA.org:uu-223173DiVA, id: diva2:712861
Disputas
2014-06-04, Room 2446, Polacksbacken, Lägerhyddsvägen 2, Uppsala, 10:15 (engelsk)
Opponent
Veileder
Tilgjengelig fra: 2014-05-13 Laget: 2014-04-16 Sist oppdatert: 2018-01-11bibliografisk kontrollert
Delarbeid
1. Augmented reality as a navigation aid for the manoeuvring of High-Speed Crafts
Åpne denne publikasjonen i ny fane eller vindu >>Augmented reality as a navigation aid for the manoeuvring of High-Speed Crafts
2004 (engelsk)Inngår i: DESIGN 2004 conference, 2004Konferansepaper, Publicerat paper (Annet vitenskapelig)
HSV kategori
Identifikatorer
urn:nbn:se:uu:diva-47957 (URN)
Konferanse
Design 2004
Tilgjengelig fra: 2006-11-24 Laget: 2006-11-24 Sist oppdatert: 2014-05-13
2. Bridging the gap between analysis and design: Improving existing driver interfaces with tools from the framwork of cognitive work analysis
Åpne denne publikasjonen i ny fane eller vindu >>Bridging the gap between analysis and design: Improving existing driver interfaces with tools from the framwork of cognitive work analysis
2006 (engelsk)Inngår i: Cognition, Technology & Work, ISSN 1435-5558, E-ISSN 1435-5566, Vol. 8, nr 1, s. 41-49Artikkel i tidsskrift (Fagfellevurdert) Published
Abstract [en]

Two studies of train driving are presented, both within the framework of cognitive work analysis. In the first study, the modelling tool abstraction–decomposition space is adapted to routine conditions, making the analysis more representative for normal procedures. A major contribution to these analyses was the use of the method for ‘collegial verbalisation’. One particular advantage with this method over other verbalisation methods is that it supplies the analysts with data that contain much more information, but not at the expense of being more subjective. On the contrary, this method produces think-aloud protocols from video-recordings that do not have to be interpreted by the researcher. From these analyses, it was possible to distinguish information that is an intrinsic part of the train driver task from information that is dependent on the configuration and design of the current support system. The analyses show that the driver works in three rather separate time intervals with a long-range, a short-term and an immediate sense of perspective. The driver switches between these while travelling between two stations. Based on these behaviour-shaping constraints, a prototype of a planning area of a driver interface was developed, making feed-forward planning possible for the driver. Four design iterations were completed, using a user-centred system design (UCSD) approach. Early tests show that the planning area of the interface supports the feed-forward decision strategy used by drivers who prefer an active driving style. However, the driver group also made substantial changes in the design, indicating that UCSD is an efficient tool in order to capture user competencies, and to bridge the gap between analysis and design.

Emneord
cognitive work analysis, driver interface, verbal protocols, user centred system design, participatory design, prototyping
HSV kategori
Identifikatorer
urn:nbn:se:uu:diva-78792 (URN)10.1007/s10111-005-0018-4 (DOI)
Tilgjengelig fra: 2006-03-30 Laget: 2006-03-30 Sist oppdatert: 2017-12-14bibliografisk kontrollert
3. Collegial verbalisation: a case study on a new method on information acquisition
Åpne denne publikasjonen i ny fane eller vindu >>Collegial verbalisation: a case study on a new method on information acquisition
2007 (engelsk)Inngår i: Behaviour & Information Technology, ISSN 0144-929X, Vol. 26, nr 6, s. 535-543Artikkel i tidsskrift (Fagfellevurdert) Published
HSV kategori
Identifikatorer
urn:nbn:se:uu:diva-14902 (URN)10.1080/01449290600801934 (DOI)000250361500009 ()
Tilgjengelig fra: 2008-01-31 Laget: 2008-01-31 Sist oppdatert: 2018-01-12bibliografisk kontrollert
4. Verbal reports and domain-specific knowledge: a comparison between collegial and retrospective verbalisation
Åpne denne publikasjonen i ny fane eller vindu >>Verbal reports and domain-specific knowledge: a comparison between collegial and retrospective verbalisation
2013 (engelsk)Inngår i: Cognition, Technology & Work, ISSN 1435-5558, E-ISSN 1435-5566, Vol. 15, nr 3, s. 239-254Artikkel i tidsskrift (Fagfellevurdert) Published
Abstract [en]

One way to investigate and account for the role of experience in dynamic decision-making tasks is to use a knowledge elicitation method, for example verbal protocols. Recently, methods for verbalisation by other subjects have been suggested as a way to elicit more information on thinking. One of these methods is here investigated in a quasi-experimental study on highly experienced and skilled train dispatchers. Collegial verbalisation is based on the procedure of videotaping practitioners while they perform their normal work tasks in their normal work setting. This is followed up by having a close colleague of the practitioner watch the video recordings and verbalise. The general hypothesis that verbal reports based on collegial verbalisations can provide protocol data that are close to the structure and content of verbal reports based on retrospective verbalisations was investigated. From this systematic comparison it is concluded that collegial verbalisations produce verbal protocols that are close to the retrospective verbal protocols on protocol and topic levels, but not on statement level. From this study, we conclude that the collegial protocols can be used as an independent source of data. It seems possible for a colleague to report verbally on a practitioners' observable behaviour in the same way as when the practitioner is doing a retrospective verbalisation and it may also be possible for a colleague to explain some of the non-observable behaviour of the practitioner.

sted, utgiver, år, opplag, sider
Springer London, 2013
HSV kategori
Forskningsprogram
Människa-dator interaktion
Identifikatorer
urn:nbn:se:uu:diva-183343 (URN)10.1007/s10111-012-0223-x (DOI)000322162100001 ()
Tilgjengelig fra: 2012-03-20 Laget: 2012-10-24 Sist oppdatert: 2018-01-12bibliografisk kontrollert
5. Collegial verbalisation: The value of verbal reports from colleagues as subjects
Åpne denne publikasjonen i ny fane eller vindu >>Collegial verbalisation: The value of verbal reports from colleagues as subjects
(engelsk)Manuskript (preprint) (Annet vitenskapelig)
HSV kategori
Forskningsprogram
Människa-dator interaktion
Identifikatorer
urn:nbn:se:uu:diva-215393 (URN)
Tilgjengelig fra: 2014-01-13 Laget: 2014-01-13 Sist oppdatert: 2014-05-13
6. Collegial collaboration for safety: Assessing situation awareness by exploring cognitive strategies
Åpne denne publikasjonen i ny fane eller vindu >>Collegial collaboration for safety: Assessing situation awareness by exploring cognitive strategies
2013 (engelsk)Inngår i: Past History and Future Challenges of Human Work Interaction Design (HWID): Generating Cross-domain Knowledge about Connecting Work Analysis and Interaction Design / [ed] Torkil Clemmensen, Bengt Sandblad, Arminda Lopes and Jose Abdelnour- Nocera, 2013, s. 35-40Konferansepaper, Publicerat paper (Fagfellevurdert)
Serie
Workshop Proceedings Series of the INTERACT 2013 Conference
HSV kategori
Forskningsprogram
Människa-dator interaktion
Identifikatorer
urn:nbn:se:uu:diva-211403 (URN)978-0-620-58037-3 (ISBN)
Konferanse
Workshop at INTERACT 2013 – 14th IFIP TC13 Conference on Human-Computer Interaction, Cape Town, South Africa, September 2013
Tilgjengelig fra: 2013-11-22 Laget: 2013-11-22 Sist oppdatert: 2014-05-13bibliografisk kontrollert
7. Recognizing complexity: A prerequisite for skilled intuitive judgments and dynamic decisions
Åpne denne publikasjonen i ny fane eller vindu >>Recognizing complexity: A prerequisite for skilled intuitive judgments and dynamic decisions
2013 (engelsk)Inngår i: SPUDM24: Subjective Probability, Utility, and Decision Making, 2013, s. 194-Konferansepaper, Oral presentation with published abstract (Fagfellevurdert)
HSV kategori
Forskningsprogram
Människa-dator interaktion
Identifikatorer
urn:nbn:se:uu:diva-214492 (URN)
Konferanse
SPUDM24 - Subjective Probability, Utility, and Decision Making Conference (SPUDM); 18-22 August 2013; IESE Business School, Barcelona, Spain
Tilgjengelig fra: 2014-01-08 Laget: 2014-01-08 Sist oppdatert: 2014-05-13bibliografisk kontrollert

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