Qualifications

• 2001 - B.Sc(IT)
• 2002 - B.Sc Hons(IT)
• 2006 - M.Sc
• 2011 - PhD

Professional traning

• 2007: Advanced VoiceXML, Dialog modules, OSI Applicaion and Tuning, Natural Language.
• 2007: Introduction to Visual Basic.NET: Programming with Microsoft.NET.
• 2007: Introduction to XML and the Microsoft.NET platform
• 2007: Programming with ADO.NET.
• 2007: Programming with XML in the .NET framework.
• 2007: Developing XML Web services using Microsoft ASP.NET.
• 2007: Developing Microsoft.NET Applications for Windows (VB.NET).
• 2007: Red Hat Linux Essentials.
• 2007: Red Hat Linus system administration.
• 2007: OSP 2.4 Service and Components Development using Prosper.
• 2011: Android mobile development
• 2013: DASIK mobile development course
• 2014: Java SE7 Fundamentals Edition 2
• 2014" Advanced Java

Career

• 1999: Microsoft Office training.
• 2002 - Ongoing: Databse programmer for Windows and Web development
• 2008- Ongoing: Lecturer

Articles

• Beelders, T.R., Blignaut, P.J. and McDonald. T. 2005. A Proposed Study to Determine the Effect of Culture on the Usability of Word Processors. In Proceedings of the CHISA 2005 Conference, Pretoria, South Africa.
• Beelders, T.R., Blignaut, P.J. and McDonald. T. 2005. A Word Processor Prototype to Assess the Effect of Culture on Usability. In Proceedings of the South African Telecommunication Networks and Applications Conference (SATNAC), Central Drakensberg, South Africa.
• Blignaut, P.J., Dednam, E.H. & Beelders, T.R. 2007. Die opleiding van persone uit benadeelde groepe in rekenaargebruik: Is die afstand nie té groot om te oorbrug nie? SA Tydskrif vir Natuurwetenskap en Tegnologie, Suid-Afrikaanse Akademie vir Wetenskap en Kuns, 26(3):216-235.
• Beelders, T.R., Blignaut, P.J., McDonald. T. and Dednam, E.H. The impact of different icon sets on the usability of a word processor. Proceedings of International CHI Conference 2007, Beijing, China.
• Beelders, T.R., Blignaut, P.G., McDonald, T. and Dednam, E.H. Novice word processor user performance with pictorial and text icons. Proceedings of APCHI 2008, Seoul, Korea, July 2008.
• Blignaut, P.J., Beelders, T.R. and So, C-Y. The visual span of chess players. Proceedings of ETRA 2008, Savannah, Georgia, March 2008.
• So, C-Y., Blignaut, P.J., Beelders, T.R. Content analysis and usability inspection on international city tourism websites. WWW 2008 Congress, Sept 2008, Poster presentation.
• Beelders, T.R., Blignaut, P.J., McDonald, T. and Dednam, E.H. Measuring user performance for different interfaces using a word processor prototype. Proceedings of International CHI Conference 2009, San Diego, California, United States of America.
• Blignaut, P. and Beelders. T. (2009). The effect of fixational eye movements on fixation identification with dispersion based fication detection algorithm. Journal of Eye Movement Research, 2(5):4, 1-14.
• Beelders, T.R and Blignaut, P.J. (2009). A multi-modal interface for a popular word processor. Die Suid-Afrikaanse Akademie vir Wetenskap en Kuns Studentesimposium 2009.
• Beelders, T.R. and Blignaut, P.J. (2010). Using vision and voice to create a multimodal interface for Microsoft Word 2007. Proceedings of ETRA 2010, Austin, Texas.
• Bergh, L., Beelders, T.R. and van Zyl, J. (2010). A Reference Point Perspective on Eye Focus Positions in Multimodal Texts. In Proceedings of SACOMM 2010. Johannesburg, South Africa.
• Beelders, T.R., Blignaut, P.J. and Greeff, F. (2010). Eye-tracking and speech recognition instead of a computer mouse. Die Suid-Afrikaanse Akademie vir Wetenskap en Kuns Studentesimposium 2010, Pretoria, South Africa.
• Beelders, T.R., Bergh, L. and van Zyl, J. (2011). Cognitive recall, reference points and negative prioritization in multimodal texts. In Proceedings of Annual Conference of the German Linguistic Society (DGfS) – Text: Structures and Processing, Göttingen, 23 Feb 2011—25 Feb 2011.
• Bergh, L., Beelders, T. & Van den Berg, R. (2011). Language, processing and memory. Vir kongres: English Language and Linguistics Joint Annual Conference 2011 (LSSA, SAALA, EPIP, SAALT), Rhodes, Grahamstad, 26-29 Junie 2011.
• Bergh, L., Beelders, T. & van Zyl, J. (2011). Analysis of eye-tracking green recall texts. In Proceedings of the 5th International Business Conference. Mauritius, 26-30 September 2011.
• Dollman, G.J., De Wet, L. and Beelders, T.R. (2011). The effects of access to technology on the usability of a BCI. In Proceedings of the Post Graduate Symposium – SAICSIT, Cape Town, 3-5 October 2011.
• Beelders, T.R. and Blignaut, P.J. (2012). Measuring the performance of gaze and speech for text input. In Proceedings of the Symposium on Eye Tracking Research and Applications (ETRA), Santa Barbara, California, 28-30 March 2012.
• Beelders, T.R. and Blignaut, P.J. ISO testing of eye gaze and speech when used to simulate a pointing device. In Proceedings of the Symposium on Eye Tracking Research and Applications (ETRA), Santa Barbara, California, 28-30 March 2012.
• Blignaut, P.J. and Beelders, T.R. (2012). TrackStick: A Data quality measuring tool for Tobii eye-trackers. In Proceedings of the Symposium on Eye Tracking Research and Applications (ETRA), Santa Barbara, California, 28-30 March 2012.
• Blignaut, P.J. and Beelders, T.R. (2012). The precision of eye-trackers: A case for a new measure. In Proceedings of the Symposium on Eye Tracking Research and Applications (ETRA), Santa Barbara, California, 28-30 March 2012.
• Dollman, G.J., De Wet, L. and Beelders, T.R. (2013). Effectiveness with EEG BCIs: Exposure to traditional input methods as a factor of performance. In Proceedings of SAICSIT 2013 (pp. 77-80), East London, South Africa. ISBN: 978-1-4503-2112-9. 
• Beelders, T.R. and Bergh. L. (2014). Age as differentiator in online advertising gaze patterns. In Proceedings of SAICSIT 2014 (pp. 260 – 269), Johannesburg, South Africa. ISBN: 978-1-4503-3246-0.
• Dollman, G.J., De Wet L. and Beelders, T.R. (2015). Commercial Brain Computer Interface: Potential as a Natural User Interface. In Proceedings of SAICSIT 2015, (p. 13), Stellenbosch, South Africa. ISBN: 978-1-4503-3683-3.
• Dürr, J., van Zyl, J.H., Beelders, T.R. and Wium, D. (2015). The role of “eye-tracking” on white maize meal marketing in South Africa. In Proceedings of the 20th International Farm Management Congress, Quebec, Canada.
• Beelders, T.R. and du Plessis, J-P. (2016). Syntax highlighting as an influencing factor when reading and comprehending source code. Journal of Eye Movement Research, 9(1), 1-11.
• Lombard, W.A., van Zyl, J.H. and Beelders, T.R. (2017). Testing red meat consumer preferences. Farmbiz, 3(10), 8-11.
• Lombard, W.A., van Zyl, J.H. and Beelders, T.R. (2017). All eyes on red meat consumer preferences. Stockfarm, 7(10), 8-9. 
• Stott, A. and Beelders, T.R. (2019). The influence of science reading comprehension on South African township learners` learning of science. South African Journal of Science, 115(1-2), 72-80. DOI: https://doi.org/10.17159/sajs.2019/5146\
• Lombard, W.A., Van Zyl, J.H. and Beelders, T.R. (2020). Eye-tracking consumers’ awareness of beef brands. Agrekon, 59(2), 156-168. https://doi.org/10.1080/03031853.2020.1715807 
• Niehorster, D.C., Zemblys, R., Beelders, T. and Holmqvist, K. (2020). Characterizing gaze position signals and synthesizing noise during fixations in eye-tracking data. Behaviour Research Methods. https://doi.org/10.3758/s13428-020-01400-9. 
• Beelders, T.R. and Kotzé, J.E. (2020). Augmenting the Business Intelligence Lifecycle with Usability: Using eye-tracking to discover the why of usability problems. The Electronic Journal of Information Systems Evaluation, 23(1), 96-111. DOI: 10.34190/EIJSE.20.23.1.007.
• Beelders, T.R. and Bergh, L. (2020). The role that composition plays in determining how a viewer looks at landscape art. Journal of Eye Movement Research, 13(2),:13. 
• Beelders, T.R. and Dollman, G.J. (2021). Virtual Prospecting in Paleontology Using a Drone-Based Orthomosaic Map: An Eye Movement Analysis. ISPRS International Journal of Geo-Information, 10 (11), 753.
• Beelders, T.R. (2022). Eye-tracking analysis of source code reading on a line-by-line basis. EMIP `22: Proceedings of the Tenth International Workshop on Eye Movements in Programming, May 2022Pages 1–7. 
• Beelders, T. (2023). Visual search patterns for multilingual word search puzzles, a pilot study. Journal of Eye Movement Research, 16(1). https://doi.org/10.16910/jemr.16.1.6. 
• Bergh L., & Beelders T. (2023). Red-letter Reading Days: An eye-tracking perspective on Dr Seuss’ Green Eggs and Ham. Journal of Elementary Education, 16(Spec.Iss). https://doi.org/10.18690/rei.16.Spec.Iss.2984.

Presentations

• Blignaut, P.J., Beelders, T.R. and So, C-Y. The visual span of chess and rugby players. Address delivered at Eye-tracking workshop, Nelson Mandela Metropolitan University, Port Elizabeth, South Africa, October 2007.

Books

• Beelders, T.R. An introductory guide to human-computer interaction research. Prescribed Honours level text book 2007 – 2010.
• Beelders, T.R. Graphics, text and language in a word processor interface: A comparative study on the usability of different interface elements. VDM Verlag: Germaby. ISBN: 978-3639172683.

Chapters

• Beelders, T.R. and Blignaut, P.J. (2011). The Usability of Speech and Eye Gaze as a Multimodal Interface for a Word Processor. In I. Ipsic (Ed), Speech Technologies. ISBN: 978-953-307-996-7.
• Bergh, L. and Beelders, T.R. (2014). An eye-tracking account of reference points, cognitive affordance and multimodal metaphors. In A. Maiorani and C. Christie (Eds), Multimodal Epistemologies: Towards an integrated framework. pp. 13-27. Routledge. ISBN: 978-0415825238.
• Beelders, T.R. and Blignaut, P.J. (2014). Gaze and speech: Pointing device and text entry modality. In M. Horsley, M. Eliot, Ronan and Bruce (Eds), Current Trends in Eye Tracking Research. pp. 51-76. Springer. ISBN: 978-3319028675.

 Technical Reports

• An analysis of Computer Services Websites of South African universities. Prepared for the Computers Services Division of the University of the Free State, Bloemfontein, South Africa.
• Usability report for a PeopleSoft Leave Application System for employees of the University of the Free State. Prepared for the Computers Services Division of the University of the Free State, Bloemfontein, South Africa.
• Analysis of biometric and card swiping time and attendance systems. Prepared for the Computers Services Division of the University of the Free State, Bloemfontein, South Africa.
• Saliency of promotional material on television and the effect it has on the recall ability of viewers. Prepared for: Sports Marketing Surveys, Johannesburg, South Africa.
• Retention and reader reaction to print advertisements and advertorials. Prepared for Voermol Feeds.
• Electronic notice board survey. Prepared for the Strategic Communications Division of the University of the Free State.
• An analysis of staff opinion towards a proposed communication channel. Prepared for the Strategic Communications Division of the University of the Free State.
• Dumela focus group and survey. Prepared for the Strategic Communications Division of the University of the Free State.

• Database Design and development
• SQL
• Human-Computer Interaction
• Windows and Web development

• Introduction to Databases: Part I
• Introduction to Databases: Part II
• Oracle Databases