Department of Psychology

Cummins, J., Faasse, K., Helfer, S. G., & Geers, A. L. (in press). Developing a new measure of implicit treatment expectations. Journal of Social Psychology.

Görner, K. J., Spotts, E. K., & Geers, A. L. (in press). Identifying the psychological effects of nocebo education: Results from two pre-registered experiments. Journal of Behavioral Medicine.

Sieg, M., Clemens, K. S., Colloca, L., Geers, A. L., & Vase, L. (in press). Nocebo belief and attitudes towards side effect disclosure: A general population-based online survey in Europe and North America. European Journal of Pain.

Clemens, K. S., Ruble, A., Vang, M., Vase, L., Colloca L., Seig, M., & Geers, A. L. (2024). The desire for side effect information: An experimental analysis of contextual and individual difference factors. Pain, 165, 383-391.

Geers, A. L., Seligman, L. D., Pituch, K. A., Colagiuri, B., Marusak, H. A., Rabinak, C. A., Al-Ado, S. L., Turner, N., & Nedley M. (2024). A test of pre-exposure spacing and multiple context pre-exposure on the mechanisms of latent inhibition of dental fear: A study protocol. BMC Psychology, 12(1), 85.

Clemens, K. S., Faasse, K., Tan, W., Colagiuri, B., Colloca, L., Webster, R., Vase, L., Jason, E., & Geers, A. L. (2023). Social communication pathways to COVID-19 vaccine side-effect expectations and experience. Journal of Psychosomatic Research, 164, 111081.

Geers A. L., Clemens K. S., Faasse K., Colagiuri B., Webster R., Vase L., Siege M., Jason E., Colloca L. (2022). Psychosocial factors predict COVID-19 vaccine side effects. Psychotherapy and Psychosomatics, 91, 136-138.

Mao, A., Barnes, K., Sharpe, L., Geers, A. L., Helfer, S. G., Faasse, K., & Colagiuri, B. (2021). Using positive attribute framing to attenuate nocebo side effects: A cybersickness study. Annals of Behavioral Medicine, 55, 769–778.

Geers, A. L., Faasse, K., Guevarra, D., Clemens, K. S., Helfer, S. G., & Colagiuri, B. (2021). Affect and emotions in placebo and nocebo effects: What do we know so far? Social and Personality Psychology Compass 15, e12575.

Clemens, K., Tull, M. T., Murray, A., Boardley, D., Tipton, J., & Geers, A. L. (2020). Examination of the relationship between affect, values, and physical activity among cancer survivors. Journal of Contextual Behavioral Science, 18, 68-74. 

Barnes, K., Faasse, K., Geers, A. L., Helfer, S. G., Sharpe, L., Colloca, L., & Colagiuri, B. (2019). Can positive framing reduce nocebo side-effects?: Current evidence and recommendations for future research. Frontiers in Pharmacology, 10, e167. 

Faasse, K., Huynh, A., Pearson, S., Geers, A.L., Helfer, S.G., & Colagiuri, B. (2019). The influence of side effect information framing on nocebo effects. Annals of Behavioral Medicine, 53, 621-629. 

Geers, A. L., Briñol, P., & Petty, R. E. (2019). An analysis of the basic processes of formation and change of placebo expectations. Review of General Psychology, 23, 211-229. 

Geers, A. L., Close, S. R., Caplandies, F., Pertiwi, Y., Murray, A., Vogel, C., Handley, I.M., & Vase, L. A. (2019). Testing a positive affect induction to reduce verbally-induced nocebo hyperalgesia in an experimental pain paradigm. Pain, 160, 2290-2297. 

Caplandies, F., Brown, J. A., Murray, A., & Geers, A. L. (2018). Choice and enjoyment of exercise: A test of three moderating variables. Psychology of Sport and Exercise, 38, 47-55.

Geers, A. L., Vanwasshenova, E., Murray, A. B., Mahas, R., Fahlman, M. M., & Boardley, D. (2017). Affective associations as predictors of health behavior in urban minority youth. Health Psychology, 36, 996-1005.

Brown, J. A., Oikawa, M., Rose, J. P., Haught, H., & Geers, A. L. (2015). Choosing across cultures: The effect of choice complexity on treatment outcomes. Journal of Behavioral Decision-Making, 28, 515-528.

Helfer, S. G., Elhai, J., & Geers, A. L. (2015). Affect and exercise: Positive affective expectations can increase post-exercise mood and exercise intentions. Annals of Behavioral Medicine, 49, 269-279.

Geers, A. L., Rose, J. P., Fowler, S. L., Rasinski, H., Brown, J. A., & Helfer, S. G. (2013). Why does choice enhance treatment effectiveness: Using placebo treatments to demonstrate the role of personal control. Journal of Personality and Social Psychology, 105, 549-566.

Neff, L. A. & Geers, A. L. (2013). Optimistic expectations in marriage: A resource or vulnerability for adaptive relationship functioning? Journal of Personality and Social Psychology, 105, 38-60.

Current Grants

"Identifying the mechanisms of latent inhibition to prevent dental fear"
Co-Principal Investigators: Andrew L. Geers PhD and Laura D. Seligman PhD
Agency: National Institutes of Health (National Institute for Dental Craniofacial Research)
Type: R01
Period: August 2021 – August 2025
Total costs: $1,285,871

"Living down to expectations: Generic medicines and the nocebo effect"
Principle Investigator: Kate Faasse PhD
Co-Investigator: Andrew L. Geers, PhD
Agency: Australian Research Council
Type: Discovery Project
Period: 2022 – 2025
Total cost: $328,444.

"A one-session treatment for dental phobia in youth in an underserved population"
Principal Investigator: Laura Seligman, PhD
Consultant: Andrew L. Geers PhD
Agency: National Institutes of Health (National Institute for Dental Craniofacial Research)
Type: UG3
Period: 2022 – 2029
Total costs: $4,278,952.

“From me to you and beyond: Understanding socially-induced nocebo effects”
Principle Investigator: Ben Colagiuri, PhD
Co-Investigator: Andrew L. Geers, PhD
Agency: Australian Research Council
Type: Discovery Project
Period: 2023 – 2026
Total cost: $349,402

“Role of explicit and implicit expectations in the efficacy of musculoskeletal rehabilitation”
Co-Principle Investigators: Andrew L. Geers, PhD and David Bazett-Jones, PhD
Agency: University of Toledo
Type: Interdisciplinary Research Initiative Award
Period: 2024 – 2025
Total cost: $34,000