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Department of Psychology
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Cramer Hall 328Q, PO Box 1881 Milwaukee, WI 53201
MilwaukeeWI53201United States of America(414) 288-6900stephen.guastello@marquette.eduDr. Guastello's research interests fall into several areas. The largest concerns nonlinear dynamics (chaos, complexity, and catastrophe theories, and related principles) and their applications to work motivation, work performance and turnover, occupational safety and health, creativity, group and organizational behavior, and cognitive workload and fatigue. Dr. Guastello's other interests include the role of macroeconomics in organizational behavior, human-computer interface design, computer-based test interpretations and expert systems, personality and organizational behavior.
Research Labs:
Ph.D., Illinois Institute of Technology, 1982
M.A., Washington University, 1979
B.A., Johns Hopkins University, 1977
SJG's teaching responsibilities include industrial psychology and organizational development at the undergraduate (PSYC 3230) and the graduate levels (PSYC 8665) . Human Factors (PSYC 4330), which is the study of person-machine interaction, is also available as a graduate course (PSYC 5330). SJG also teaches Theories of Personality (PSYC 3501). He has also taught General Psychology regularly, plus a few other courses on an occasional basis, such as Graduate Statistics 2 and a special topics seminar, Chaos and Complexity in Psychology (PSYC 4995).
Books
Guastello, S.J., (2023) Human Factors Engineering and Ergonomics: A systems approach. (3rd edition) (Boca Raton, FL: CRC Press, div. Taylor & Francis).
Guastello, S. J. (Ed.). (2016). Cognitive workload and fatigue in financial decision making. New York: Springer
Guastello, S.J., & Gregson, R. A. M. (Eds.). (2011). Nonlinear Dynamical Systems Analysis Using Real Data. Boca Raton, FL: CRC Press (div. Taylor & Francis).
Guastello, S.J., Koopmans, M., & Pincus, D. (Eds). (2009). Chaos and Complexity in Psychology: The Theory of Nonlinear Dynamical Systems. New York: Cambridge University Press.
Guastello, S.J., (2002). Managing Emergent Phenomena: Nonlinear Dynamics in Work Organizations.(publ. Lawrence Erlbaum Associates, now available through Psychology Press, div. Taylor & Francis).
Guastello, S.J., (1995) Chaos, Catastrophe, and Human Affairs: Applications of Nonlinear Dynamics to Work, Organizations, and Social Evolution. (publ. Lawrence Erlbaum Associates, now available through Psychology Press, div. Taylor & Francis).
Software
Peressini, A. F., & Guastello, S. J. (2016-2022). Synccalc 2.1. Synccalc is an algorithm for determining the degree of physiological synchronization (e.g. in electrodermal responses) that exists within a group or team while performing a task. It begins with a matrix showing the influence of each person on every other person in the group. The group member with the greatest influence is the “driver.” The group member who is most responsive to the others in the group is the “empath.” The synchronization coefficient represents the total level of group influence relative to the empath’s perspective. Available from:
Peressini, A. F., & Guastello, S. J. (2014). is an analysis based on symbolic dynamics that identifies recurring patterns of events in nominally-coded data. In other words, the events can be identified by categories, rather than metrics. The final statistics include the string length, topological entropy in the form of the (largest) Lyapunov exponent, fractal dimension, Shannon entropy, and a chi-square test for goodness of fit. V2.4 contains aggregation functions that accommodate multiple categorical variables.
Editor in Chief: . This is the refereed research journal of the . SJG is the founding Editor in Chief, and currently continues in that capacity. NDPLS was first published by Human Sciences Press, Div. Plenum in 1997-98 and by Kluwer Academic Publishers, now part of Springer Inc., during the years 1999-2003. NDPLS is now published directly by the Society. SJG also manages its production operations. For journal purview, instructions for authors, subscription information, citation rates and indexes, please visit the NDPLS site above.
Theoretical Issues in Ergonomics Science. SJG was appointed to the editorial board in 2002. Published by Taylor and Francis.
Consultant to Industry
The most frequently requested projects have involved the application of basic research in nonlinear dynamics for personnel selection and retention, occupational accident analysis and prevention, and management development. Portions of the work have involved writing, administration, and analysis of surveys for occupational safety, organizational development efforts, and knowledge acquisition for expert systems. Other projects include the development of personnel selection systems and selection test validation for executives, salespeople, controllers, operations, skilled trades, and support personnel.
Research Publications (2020-Present)
Guastello, S. J. (2024). Catastrophes and social change. In K. Taku & T. Shackleford (Eds.), The Routledge international handbook of changes in human perceptions and behaviors. Abbington, Oxon, UK: Routledge.
Guastello, S. J., Futch, W., Mirabito, L., Green, D., Marsicek, L. & Witty, B. (2021). Forecasting chaotic events and the prediction of a rare cognitive ability. Personality and Individual Differences. 170, 110430,
Guastello, S. J., & Peressini (2021). A comparison of four dyadic synchronization models. Nonlinear Dynamics, Psychology, and Life Sciences, 25, 19-39.
Guastello, S. J., Witty, B., Johnson, C., & Peressini, A. F. (2020). Autonomic synchronization, leadership emergence, and the roles of drivers and empaths. Nonlinear Dynamics, Psychology, and Life Sciences, 24, 451-473.
Guastello, S. J., Futch, W., & Mirabito, L. (2020). Cognitive workload and fatigue dynamics in a chaotic forecasting task. Nonlinear Dynamics, Psychology, and Life Sciences, 24, 179-213.
Research Publications (2015-2019)
Guastello, S. J. (2019). Structural equations technique for testing hypotheses in nonlinear dynamics: Catastrophes, chaos, and related dynamics. Chaos and Complexity Letters, 12, 97-110.
Waterson, P., Baber, C., Golightly, D., Hancock, P., Morineau, T., Guastello, S. J., Wiltshire, T. J., Karwowski, W., & Drury, C. G. (2019). The cybernetic return in human factors/ergonomics. Proceedings of the Human Factors and Ergonomics Society, 63, 894-898.
Guastello, S. J., Correro, A. N. II, Marra, D. E., & Peressini, A. F. (2019). Physiological synchronization and subjective workload in a competitive emergency response task. Nonlinear Dynamics, Psychology, and Life Sciences, 23, 347-376.
Guastello, S. J., Correro, A. N. II, & Marra, D. E. (2019). Cusp catastrophe models for cognitive workload and fatigue in teams. Applied Ergonomics, 79, 152-168. doi: 10.1016/j.apergo.2018.08.019
Guastello, S. J., Correro, A. N. II, & Marra, D. E. (2018). Do emergent leaders experience greater workload? The swallowtail catastrophe model and changes in leadership in an emergency response simulation. Group Dynamics: Theory, Research, and Practice, 22(4), 200-222. doi: 10.1037/gdn0000091
Guastello, S. J., & Mirabito, L. (2018). Time granularity, lag length, and down-sampling rates for neurocognitive data. Nonlinear Dynamics, Psychology, and Life Sciences, 22, 457-483.
Guastello, S. J., & Marra, D. E., Peressini, A. F., Castro, J., & Gomez, M. (2018). Autonomic synchronization, team coordination, participation, and performance. Nonlinear Dynamics, Psychology, and Life Sciences, 22, 359-394.
Ceschi, A., Sartori, R., & Guastello, S. J. (2018). Advanced modeling methods for studying individual differences and dynamics in organizations: Introduction to the special issue. Nonlinear Dynamics, Psychology, and Life Sciences, 22, 1-13.
Guastello, S. J., & Marra, D. E. (2018). External validity and factor structure of individual and group workload ratings. Theoretical issues in Ergonomics Science, 19(2), 229-253. doi:10.1080/1463922X.2017.1356395
Guastello, S. J., Marra, D. E., Castro, J., Equi, M., & Peressini, A. F. (2017). Turn taking, team synchronization, and non-stationarity in physiological time series. Nonlinear Dynamics, Psychology, and Life Sciences, 21(3), 319-334.
Bond, R. W. Jr., Guastello, S. J., & Guastello, A. D. (2017). Temporal dynamics of rituals in obsessive-compulsive disorder. Nonlinear Dynamics, Psychology, and Life Sciences, 21(2), 159-188.
Guastello, S. J., & Peressini, A. F. (2017). Development of a synchronization coefficient for biosocial interaction in groups and teams. Small Group Research. 48(1), 3-33. DOI: 10.1177/1046496416675225
Guastello, S. J., Marra, D. E., Castro, J. Gomez, M., & Perna, C. (2017). Performance and participation dynamics in an emergency response simulation. Nonlinear Dynamics, Psychology, and Life Sciences, 21, 217-250.
Guastello, A. D., Guastello, D. D., & Guastello, S. J. (2017). Personality differences between dog people and cat people. Human-Animal Interaction Bulletin, 5(1).
Guastello, S. J., (2017). Nonlinear Dynamical Systems for Theory and Research in Ergonomics. Ergonomics, 60(2), 167-193. http://dx.doi.org/10.1080/00140139.2016.1162851
Guastello, Reiter, & Malon (2016). Cognitive workload and fatigue in a vigilance dual task: Miss errors, false alarms, and the impact of wearing biometric sensors while working. Nonlinear Dynamics, Psychology, and Life Sciences 20(4), 509-535.
Guastello, S. J., (2016). A nonlinear paradigm for resilience, workload, performance, and clinical phenomena. Industrial and Organizational Psychology, 9, 509-516.
Guastello, S. J., (2016). Introduction to interpersonal synchronization. Nonlinear Dynamics, Psychology, and Life Sciences, 20(2), 141-143.
Guastello, S. J., Marra, D. E., Perna, C., Castro, J., Gomez, M., & Peressini, A. F. (2016). Physiological synchronization in emergency response teams: Subjective workload, drivers and empaths. Nonlinear Dynamics, Psychology, and Life Sciences, 20(2), 223-270.
Guastello, S. J. (2016). Physiological synchronization in a vigilance dual task. Nonlinear Dynamics, Psychology, and Life Sciences, 20(1), 49-80
Guastello, S. J. (2015). The complexity of the psychological self and the principle of optimum variability. Nonlinear Dynamics, Psychology, and Life Sciences, 19, 511-528.
Salas, E., Stevens, R., Cooke, N., Gorman, J., Guastello, S. J., & Von Davier, A. (2015). What will quantitative measures of teamwork look like in 10 years? Proceedings of the Human Factors and Ergonomics Society, 59, 235-239.
Guastello, S.J., Reiter, K., Malon, M, & Shircel, A. (2015). When auditory and visual signal processing conflict: cross-modal interference in extended work periods. Theoretical Issues in Ergonomics Science, 16, 232-254. DOI:10.1080/1463922X.2014.1003989
Stephen J. Guastello, Shircel, A., Malon, M., & Timm, P. (2015). Individual differences in the experience of cognitive workload. Theoretical Issues in Ergonomics Science, 16, 20-52. doi:10.1080/1463922X.2013.869371
Guastello, S.J., (2015). Fractals and Dynamics in Art and Design. Nonlinear Dynamics, Psychology, and Life Sciences, 19(1), 81-99.
Guastello, S. J., Reiter, K., Malon, M., Timm, P., Shircel, A., & Shaline, J. (2015). Catastrophe Models for Cognitive Workload and Fatigue in N-Back Tasks. Nonlinear Dynamics, Psychology, and Life Sciences, 19(2), 173-200.
Guastello, S. J., Reiter, K., & Malon, M. (2015). Estimating Appropriate Lag Length for Synchronized Physiological Time Series: The Electrodermal Response. Nonlinear Dynamics, Psychology, and Life Sciences, 19(3), 285-312.
Research Publications (2010-2014)
Research Publications (2005-2009)
Research Publications (2000-2004)
Research Publications (1995-1999)
Research Publications (1990-1994)
Research Publications (1985-1989)
Research Publications (1981-1984)