Publications
Journal Articles
Quinonez, R., Ryan, T., and Olfman, L. (forthcoming) Designing CBT systems with errors in mind: Avoidance, seeding, and tolerance. Journal of Information Technology Education, accepted for publication.
Chen, C., Ryan, T., and Olfman, L. (2006) Online behavior modeling: An effective and affordable software training method. International Journal of Web-Based Learning and Teaching Technologies, Volume 1, Number 4, pp. 36-53.
Raman, M., Ryan, T., and Olfman, L. (2006) Knowledge management systems for emergency preparedness: The Claremont University Consortium experience. International Journal of Knowledge Management, Volume 2, Number 3, pp. 33-50.
Ryan, T., Field, R. H.G., and Olfman, L. (2006) Discontinuous change in university web sites: The relative importance of reasons for change. Journal of Information, Information Technology, and Organizations, Volume 1, pp. 43-57.
Zwieg, P., Kaiser, K. M., Beath, C., Bullen, C., Gallagher, K., Goles, T., Howland, J., Simon, J. Abbott, P., Abraham, T., Carmel, E., Evaristo, R., Hawk, S., Lacity, M., Gallivan, M., Kelly, S., Mooney, J., Ranganathan, C., Rottman, J., Ryan, T., Wion, R. (2006) The information technology workforce: Trends and implications 2005-2008. MIS Quarterly Executive, Volume 5, Number 2.
Raman, M., Ryan, T., and Olfman, L.
(2005) Designing knowledge management systems for teaching and learning with
wiki technology. Journal of
Information Systems Education, Volume 16, Number 3, pp. 311-320.
Liu, S-C., Olfman, L., and Ryan, T. (2004) Knowledge management success: Empirical assessment of a theoretical model. International Journal of Knowledge Management, Volume 1, Number 2, pp. 68-87.
Hayashi, A., Chen, C.C., Ryan, T., and Wu, J. (2004) The role of social presence and moderating role of computer self-efficacy in predicting the continuance usage of e‑learning systems. Journal of Information Systems Education, Volume 15, Number 2, pp. 139-154.
Negash, S., Ryan, T., and Igbaria, M. (2003) Quality and effectiveness in Web-based customer support systems. Information & Management, Volume 40, Number 8, pp. 757-768.
Ryan, T., Field, R.H.G., and Olfman, L. (2003) The evolution of U.S. state government homepages from 1997 to 2002. International Journal of Human-Computer Studies, Volume 59, pp. 403-430.
Mathieson, K., and Ryan, T. (2000) A broader view of relevance. Communications of the Association for Information Systems, http://cais.isworld.org/, Volume 6, Article 17.
Mathieson, K.M., and Ryan, T. (1997) Users evaluations of packages: Demonstrations versus hands-on use. The Electronic Journal of Information Systems Evaluation, http://is.twi.tudelft.nl/ejise/, Issue 1, Number 1.
Bock, D.B., and Ryan, T. (1996) Modeling ternary relationships. Journal of Computer Information Systems, Summer 1996, pp. 60-65.
Mathieson, K.M., and Ryan, T. (1994) The effect of definitional variation on users' evaluations of information systems. Data Base, May 1994, pp. 37-48.
Bock, D.B., and Ryan, T. (1994) Extended entity relationship modeling performance. Journal of Computer Information Systems, Summer 1994, pp. 44-51.
Sumner, M., and Ryan, T. (1994) The impact of CASE: Can it achieve critical success factors? Journal of Systems Management, Volume 45, Number 6, pp. 16-28.
Bock, D.B., and Ryan, T. (1993) Accuracy in modeling with extended entity relationship and object-oriented data models. Journal of Database Management, Volume 4, Number 4, pp. 30-39.
Ryan, T., and Bock, D.B. (1992) A socio-technical viewpoint to CASE tool adoption. Journal of Systems Management, Volume 43, Number 11, pp. 25-29.
Bock, D.B., and Ryan, T. (1991) A file recovery method for microcomputer database management systems. Interface: The Computer Education Quarterly, Volume 13, Number 4, pp. 83-92.
Ryan, T., and Bock, D.B. (1990) An
integrated approach to bachelors and masters MIS design project capstone
courses. Interface: The Computer
Education Quarterly, Volume
12, Number 3, pp. 15-19.
Book Chapters
Huerta, E., Navarrete, C., and Ryan, T. (2004) GIS and decision making in business: A
literature review, in GIS in
Business, Pick, J. (Ed.),
Hershey, PA: Idea Group.
Ryan, T., and Schoenert, S. (2004) M-government: Status quo and perspectives, to appear in Information Systems: Exploring Applications in Business and Government, Hunter, M.G. and Dhanda, K. (Eds.), Las Vegas, NV: Information Institute.
Huerta, E., Ryan, T., and Igbaria, M. (2003) A comprehensive Web-based learning
framework: Toward theoretical diversity, in Web-Based Education: Learning from
Experience, Aggarwal, A. (Ed.), Idea Group Inc.
Proceedings Papers
Gómez Reynoso, J. M., Olfman, L., Ryan, T., & Horan, T. (2006) An information systems design theory for an expert system for training. Proceedings of the First International Conference on Design Science Research in Information Systems and Technology.
Gudea, S., and Ryan, T. (2006) Teaching online.
Proceedings of the Twelfth
Americas Conference on Information Systems.
Raman, M., Ryan, T., and Olfman,
L. (2006) Knowledge management system for emergency preparedness: An action
research study. Proceedings of Thirty-Ninth
Annual
Daylami, N., Ryan, T., Olfman, L, and Shayo, C. (2005) Determinants
of application service provider (ASP) innovation adoption. Proceedings of Thirty-Eighth Annual
Gudea, S., and Ryan, T. (2005) Internet
access in Romania. Proceedings
of the 8th Annual Conference of the Southern Association for Information
Systems.
Gudea, S., and Ryan, T. (2005) Online education in Eastern Europe:
The case of Romania. Proceedings of Global
Information Technology Management Conference.
Jung, W.,
Olfman, L., Ryan, T., and Park, Y.T. (2005) An
experimental study of the effects of representational data quality on decision
performance. Proceedings of the Eleventh
Jung, W.,
Olfman, L., Park, Y.-T., and Ryan, T. (2005) An empirical
study of the effects of contextual data quality and task complexity on decision
performance. Proceedings of the 2005 IEEE International
Conference on Information Reuse and Integration (IEEE-IRI2005) Knowledge
Acquisition and Management.
Ryan, T., and Gudea, S. (2005) Why do organizations
expect every information systems project to be successful? Proceedings of the Eleventh
Cetiner, M., and Ryan, T. (2004) Applying Web design guidelines: How to improve the usability of government Web sites, Proceedings of the 7th Annual Conference of the Southern Association for Information Systems.
Chen, C.C., Ryan, T., and Olfman, L. (2004)
The efficacy of behavior modeling: A
comparison of face-to-face and online asynchronous software-training methods, Proceedings
of Thirty-Seventh Annual Hawaii International Conference on System Sciences, January
5-8, 2004, Kona, HI.
Gudea, S., and Ryan, T. (2004) Valuation of information technology and the global economy: Do factors affecting the choice of a valuation model transcend national boundaries? Proceedings of Global Information Technology Management Conference.
Hayashi, A., Ryan, T., Chen, C.C., and Wu, J. (2004) Predicting continuance in the usage of e-learning systems for assimilating IT skills. Proceedings of Southeast Decision Sciences Conference 2004. Winner of best paper award for conference track.
Liu, S-C., Olfman, L., and Ryan,
T. (2004) KMS-enabled individual learning in the workplace. Proceedings of the Tenth
Americas Conference on Information Systems.
Navarrete,
C., Huerta, E., and Ryan, T. (2004) The
credibility of online messages: An experimental investigation of the influence
of Web-design factors. Proceedings of the 14th
Information Resources Management Association International Conference.
Raman, M., and Ryan, T. (2004) Designing online discussion
support systems for academic settings. Proceedings
of the Tenth Americas Conference on Information Systems.
Reynoso, J.M.G.,
Al-Busaidi, K., Tulu, B., and Ryan, T. (2004) An
experimental study on user satisfaction and comparison shopping agents for
product evaluation. Proceedings of the Tenth Americas
Conference on Information Systems.
Stager, J.C. and Ryan, T. (2004) Spatial
decision support systems (SDSS) for support of public participation, Proceedings of ISOneWorld Conference.
Huerta,
E., and Ryan, T. (2003) The credibility of online information. 2003 Proceedings—
Raman, M., and Ryan, T. (2003) Internet banking adoption: Does country matter? Proceedings of the 6th Annual Conference of the Southern Association for Information Systems.
Ryan, T., Field, R.G.H., and Olfman, L. (2003) Why do universities make discontinuous changes to their Web
sites? Examining the relative importance of four reasons for
change. 2003 Proceedings—
Schoenert, S., and Ryan, T. (2003) M-government: Status quo and perspectives. Proceedings of the ISOneWorld Conference, April 23-25, 2003, Las Vegas, NV.
Ryan, T., Field,
R.H.G., and Olfman, L. (2002) Homepage genre dimensionality. 2002 Proceedings—
Ryan, T., and Kern, G.M. (1995) Effects of information
technology on university organizational design. 1995 Proceedings--Decision Sciences
Institute, Volume 2, November 20-22, 1995,
Bock, D.B., and Ryan, T. (1994) Immediate versus delayed learning transfer performance for the extended entity relationship model. 1994 Proceedings--Decision Sciences Institute, Volume 2, November 20-22, 1994, Honolulu, HI, pp. 849-851.
Bock, D.B., and Ryan, T. (1993) Extended entity relationship modeling performance for delayed transfer tasks. In S. Ghosh (Ed.), Proceedings of the Twenty-Fourth Annual Meeting of the Midwest Decision Sciences Institute, April 21-23, 1993, East Lansing, MI., pp. 62-64.
Bock, D.B., and Ryan, T. (1992) A comparison of conceptual data modeling success for the extended entity relationship and object oriented data model. In F.D. Booth (Ed.), Proceedings of the Twenty-Third Annual Meeting of the Midwest Decision Sciences Institute, May 3-5, 1992, Kansas City, MO, pp. 91-93.
Mathieson, K., and Ryan, T. (1991) A goal-driven cognitive model of the systems evaluation process. In J.I. DeGross, I. Benbasat, G. DeSanctis, and C.M. Beath (Eds.), Proceedings of the Twelfth International Conference on Information Systems, December 16-18, 1991, New York, NY, pp. 177-186.
Ryan, T., and Bock, D.B. (1991) Evaluating CASE tools from a socio-technical systems viewpoint. In E.A. Tunc and J.N.D. Gupta (Eds.), Proceedings of the Twenty-Second Annual Meeting of the Midwest Decision Sciences Institute, May 1-3, 1991, Indianapolis, IN, pp. 78-80.
Klepper, R., and Ryan, T. (1991) Dynamic theories of end-user computing: An assessment and critique. In J.F. Nunamaker, Jr. (Ed.), Proceedings of the Twenty-Fourth Annual Hawaii International Conference on Systems Sciences, Volume 3, January 8-11, 1991, Koloa, HI, pp. 163-171.
Ryan, T., and Bock,
D.B. (1991) Measurement of work system flexibility as an outcome variable for
studies of emerging technologies in MIS research. In J.F. Nunamaker,
Jr. and R.H. Sprague Jr. (Eds.), Proceedings
of the Twenty-Fourth Annual Hawaii International Conference on Systems Sciences, Volume 4, January 8-11, 1991, Koloa, Hawaii,
pp. 493-500.
Other Publications
Ryan, T. (1989) Assessing MIS User Satisfaction Measures,
doctoral dissertation,
Jenkins,
A.M., Ryan, T., Bordoloi, B. (1985) A survey and analysis of current
software generator products, Discussion paper #285, Division of Research,
School of Business, Indiana University, May 1985, Bloomington, IN.
Modified: July 30, 2006