Selected Publications

Beliefs and Health Treatment Outcomes

Faasse, K., Helfer, S. G., Barnes, K., Colagiuri, B., & Geers, A. L. (in press). Experimental assessment of nocebo effects and nocebo side effects: Definitions, study design, and implications for psychiatry and beyond. Frontiers in Psychiatry.

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

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

Geers, A. L., Close, S. R., Caplandies, F., & Vase, L. (in press). A positive mood induction for reducing the formation of nocebo effects from side effect information. Annals of Behavioral Medicine.

Geers, A. L., Fowler, S. L., Helfer, S. G., & Murray, A. B. (in press). Test of psychological and electrodermal changes immediately following the delivery of three analgesic treatment messages. Pain Reports.

Tang, B., Geers, A.L., Barnes, K., & Colagiuri, B. (in press). Instrumental control enhances placebo analgesia. Journal of Pain.

Yeung, V., Sharpe, L., Geers, A. L., & Colagiuri, B. (in press).  Choice and the placebo effect in the treatment of sleep difficulty. Annals of Behavioral Medicine.

Barnes, K., Faasse, K., Geers, A. L., Helfer, S. G., Sharpe, L., Colloca, L., & Colagiuri, B. (in press). Can positive framing reduce nocebo side-effects?: Current evidence and recommendations for future research. Frontiers in Pharmacology, 10, 167.

Yeung, V. W., Geers, A. L., & Kam, S. M. (2019). Merely possessing a placebo analgesic reduced pain intensity: Preliminary findings from a randomized laboratory design. Current Psychology.

Evers A.W.M., Colloca L., Blease C., Annoni M., Atlas L.Y., Benedetti F., Bingel U., Büchel C., Carvalho C., Colagiuri B., Crum A.J., Enck P., Gaab J., Geers A.L., … Kelley J.M. (in press). Implications of placebo and nocebo effects for clinical practice: Expert consensus. Psychotherapy and Psychosomatics, 87, 204-210.

Geers, A. L., Briñol, P., & Petty, R. E. (2018). An analysis of the basic processes of formation and change of placebo expectations. Review of General Psychology.

Geers, A. L., Briñol, P., Vogel, E. A., Aspiras, O., Caplandies, F. C., & Petty, R. E. (2018). The application of persuasion theory to placebo effects. International Review of Neurobiology, 138, 113-136.

Geers, A. L., & Caplandies, F. (in press). Placebo/nocebo effects. In K. Sweeny and M. Robbins (Eds.), The Wiley Encyclopedia of Health Psychology.

Caplandies, F., Colagiuri, B., Helfer, S. G., & Geers, A. L. (2017). Effect type but not attribute framing alters nocebo headaches in an experimental paradigm. Psychology of Consciousness: Theory, Research, and Practice, 4, 259-273.

Fowler, S. L., & Geers, A. L. (2017). Does trait masculinity relate to expressing toughness?: The effects of masculinity threat and self-affirmation in college men. Psychology of Men and Masculinity,18, 176-186.

Fox, J. Rose, J. P., Close, S., & Geers, A. L. (2016). Does choosing help everyone?: Examining the relationships among treatment choice, self-construal, and pain. Journal of Behavioral Medicine39, 527- 536.

Seligman, L. D., Hovey, J. D., Geers, A. L., Hurtado, G., Swedish, E. F., Roley, M. E., & Kene, P. (2016). Social cognitive correlates of attitudes toward empirically supported treatments. Professional Psychology: Research and Practice, 47, 215-223.

Brown, J. A., Oikawa, M., Rose, J. P., Haught, H. M., Oikawa, H., & Geers, A. L. (2015). Choosing across cultures: The effect of choice complexity on treatment outcomes. Journal of Behavioral Decision-Making28, 515-528.

Geers, A. L., Fowler, S.L., Wellman, J. A., Helfer, S. G., Close, S., & France, C. R. (2015). Prior experience with a pain stimulus as a predictor of placebo analgesia. Journal of Behavioral Medicine, 38, 136-142.

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.

Contractor, A. A., Mehta, P., Tiamiyu, M. F., Hovey, J. D., Geers, A. L., Charak, R., et al. (2014). Relations between PTSD and distress dimensions in an Indian child/adolescent sample following the 2008 Mumbai terrorist attacks. Journal of Abnormal Child Psychology. 42, 925-935.

Geers, A. L. & Miller, F. G. (2014). Understanding and translating knowledge about placebo effects: The contribution of psychology. Current Opinion in Psychiatry, 27, 326-331.

Geers, A. L., Rose, J. P., & Brown, J. A. (2014). Aligning research and practice: Implications of patient-centered care for placebo effects. The Patient: Patient–Centered Outcomes Research, 7, 1-3.

Geers, A. L., Rose, J. P., Rasinski, H. M., Fowler, S. L., & Brown, J. A. (2014). Patient involvement in treatment decision making can help or hinder placebo analgesia: The moderating role of prior experience. Zeitschrift für Psychologie, 222, 165-170.

Geers, A. L., Rose, J. P., Fowler, S. L., Rasinski, H., Brown, J. A., & Helfer, S. G. (2014). 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.

Handley, I., M., Geers, A. L., Fowler, S. L., Rasinski, H. M., & Helfer, S. G. (2013). Beliefs about expectations moderate the influence of expectations on pain perception. International Journal of Behavioral Medicine, 20, 52-58.

Rose, J. P., Geers, A. L., Rasinski, H., M., & Fowler, S. L. (2012). Treatment choice and placebo analgesia. Journal of Behavioral Medicine, 35, 462-470.

Fowler, S. L., Rasinski, H. M., Helfer, S. G., Geers, A. L., & France, C. R. (2011). Concept priming and pain: An experimental approach to understanding the role of gender in sex-related pain differences. Journal of Behavioral Medicine, 34, 139-147.

Geers, A. L., Wellman, J. A., Fowler, S. L., Rasinski, H. M., & Helfer, S. G. (2011). Placebo expectations and the detection of somatic information. Journal of Behavioral Medicine, 34, 208-217.

Geers, A. L., & Wellman, J. A. (2009). Expectations. In D. Sanders & K. R. Scherer (Eds.), Oxford Companion to Emotion and the Affective Sciences. Oxford University Press.

Seligman, L.D., Wuyek, L.A., Geers, A.L., Hovey, J.D., & Motley, R. L. (2009). The effects of inaccurate expectations on experiences with psychotherapy. Cognitive Therapy and Research, 33, 139-149.

Wellman, J. A., & Geers, A. L. (2009). Rebel without a (conscious) cause: Priming a nonconscious goal for psychological reactance. Basic and Applied Social Psychology, 31, 9-17.

Geers, A. L., Kosbab, K., Weiland, P. E., Helfer, S. G., & Wellman, J. A. (2007). Further evidence for individual differences in placebo responding: An interactionist perspective. Journal of Psychosomatic Research, 62, 563-570.

Geers, A. L., Helfer, S. G., Kosbab, K., & Weiland, P. E. (2006). Expectations and placebo response: A laboratory investigation into the role of somatic focus. Journal of Behavioral Medicine, 29, 171-178.

Geers, A. L., & Lassiter, G. D. (2005). Affective assimilation and contrast: Effects of expectations and prior stimulus exposure. Basic and Applied Social Psychology, 27, 143-154.

Geers, A. L., Weiland, P. E., Kosbab, K., Landry, S. J., & Helfer, S. G. (2005). Goal activation, expectations, and the placebo effect. Journal of Personality and Social Psychology, 89, 143-160.

Future-Directed Thought

Fowler, S. L. & Geers, A. L. (2015). Comparative and dispositional optimism as interactive predictors: The moderating role of psychological distance. Psychology and Health, 30, 456-474.

Rose, J. P, Geers, A. L., Fowler, S. L., & Rasinski, H. M. (2014). Choice-making, expectations, and treatment positivity: How and when choosing shapes aversive experiences. Journal of Behavioral Decision Making, 27, 1-10.

Brown, J. A., Fowler, S., Rasinski, H., Rose, J.P., & Geers, A.L. (2013).  Choice as a moderator of placebo expectation effects: Additional support from two experiments. Basic and Applied Social Psychology, 35, 436-444.

Geers, A. L., Rose, J. P., Fowler, S. L., Rasinski, H., Brown, J. A., & Helfer, S. (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.

Geers, A. L., Wellman, J. A., & Fowler, S. L. (2013). Unique and interactive effects of comparative and dispositional optimism. Psychology and Health, 28, 30-48.

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.

Suls, J., Rose, J. P., Windschitl, P. D., & Smith, A. R.  (2013).  Optimism following a tornado disaster.   Personality and Social Psychology Bulletin, 39, 691-702.

Windschitl, P. D., Scherer, A., Smith, A. R., & Rose, J. P. (2013).  Why so confident? The influence of new desirability on selective exposure and likelihood judgment.  Organizational Behavior and Human Decision Processes, 120, 73-86.

Rose, J.P.  (2012).  Debiasing comparative optimism and increasing worry for health outcomes.  Journal of Health Psychology, 17, 1121-1131.

Rose, J.P., Geers, A.L., Rasinski, H.M., & Fowler, S. L.  (2012).  Choice and placebo expectation effects in the context of pain analgesia.  Journal of Behavioral Medicine, 35, 462-470.

Rose, J. P., Suls, J., & Windschitl, P. D.  (2011).  When and why people are comparatively optimistic about future illness risk: The role of direct and indirect comparison measures.  Psychology, Health, & Medicine, 169, 475-483.

Geers, A. L., & Rose, J.P. (2011).  Treatment choice and placebo expectation effects. Social and Personality Psychology Compass, 5, 734-750.

Geers, A. L., Wellman, J. A., Fowler, S. L., Helfer, S. G., & France, C. R. (2010). Dispositional optimism predicts placebo analgesia. Journal of Pain, 11, 1165-1171.

Geers, A. L., Wellman, J. A., Seligman, L. D., Wuyek, L. A., & Neff, L. A. (2010). Dispositional optimism, treatment goals, and engagement in treatment programs. Journal of Behavioral Medicine, 33, 123-134.

Windschitl, P. D., Smith, A. R., Rose, J. P., & Krizan, Z.  (2010). The desirability bias in predictions: Going optimistic without leaving realism.  Organizational Behavior and Human Decision Processes, 111, 33-47.

Fosnaugh, J., Geers, A. L., & Wellman, J. A. (2009). Giving off a rosy glow: The manipulation of global optimism. Journal of Social Psychology, 149, 249-263.

Geers, A. L., Wellman, J. A., & Lassiter, G. D. (2009). Dispositional optimism and engagement: The moderating influence of goal prioritization. Journal of Personality and Social Psychology, 96, 913-932.

Wellman, J. A., Czopp, A., & Geers, A. L. (2009). The egalitarian optimist and the confrontation of prejudice. Positive Psychology, 4, 389-395.

Geers, A. L., Wellman, J. A., Helfer, S. G., Fowler, S. L., & France, C. R. (2008). Dispositional optimism and thoughts of well-being determine sensitivity to an experimental pain task. Annals of Behavioral Medicine, 36, 304-314.

Rose, J. P., Endo, Y., Windschitl, P. D., & Suls, J. (2008).  Cultural differences in unrealistic optimism and pessimism: The role of egocentrism and direct vs. indirect comparison measures.  Personality and Social Psychology Bulletin, 34, 1236-1248.

Rose, J. P. & Windschitl, P. D. (2008).  How egocentrism and optimism change in response to feedback in repeated competitions.  Organizational Behavior and Human Decision Processes, 105, 201-220.

Reilley, S. P., Geers, A. L., Lindsay, D. L., Deronde, L., & Dember, W. N. (2005). Convergence and predictive validity in measures of optimism and pessimism: Sequential studies. Current Psychology, 24, 43-59.

Geers, A. L., Handley, I. M., & McLarney, A. R. (2003). Discerning the role of optimism in persuasion: The valence-enhancement hypothesis. Journal of Personality and Social Psychology, 85, 554-565.

Geers, A. L., & Lassiter, G. D. (2002). Effects of affective expectations on affective experience: The moderating role of optimism – pessimism. Personality and Social Psychology Bulletin, 29, 1026-1039.

Geers, A. L. (2000). Examining the relationship between specific future expectations and optimism and pessimism. Representative Research in Social Psychology, 24, 26-33.

Geers, A. L., Reilley, S. P., & Dember, W. N. (1998). Optimism, pessimism, and friendship. Current Psychology, 17, 3-19.

Social Comparison

Vogel, E. A., Rose, J. P., Aspiras, O., Edmonds, K. A., & Gallinari, E. F. (2019). Comparing comparisons: Assimilation and contrast processes and outcomes following social and temporal comparison. Self and Identity.

Vogel, E. A. & Rose, J.P. (2017). Perceptions of perfection: The influence of social media on interpersonal evaluations. Basic and Applied Social Psychology.

Vogel, E. A., Rose, J.P., & Crane, C. (2017). “Transformation Tuesday”: Temporal context and post valence influence the provision of social support on social media. Journal of Social Psychology.

Rose, J.P & Vogel, E.A. (2017).  Self-esteem and social status. Encyclopedia of Individual Differences.

Seligman, L., Swedish, E., Rose, J. P., & Baker, J. (2016). An initial investigation of the use of comparative referents to assess social anxiety. European Journal of Psychological Assessment.

Rose, J.P., Aspiras, O.G., Vogel, E. A., Haught, H.M., & Roberts, L.R. (2017). Comparative optimism and event skewness. Journal of Behavioral Decision Making, 30, 236-255.

Vogel, E. A., Rose, J. P., Okdie, B. M., Eckles, K., & Franz, B. (2015). Who compares and despairs? The effect of social comparison orientation on social media use and its outcomes. Personality and Individual Differences.

Rose, J. P., Geers, A. L., France, C. R., & France, J. L. (2014). Norm perception and communication for vasovagal symptoms in blood donation. Transfusion, 54, 2258-2266.

Vogel, E. A., Rose, J. P., Roberts, L. R., & Eckles, K. (2014). Social comparison, social media, and self-esteem. Psychology of Popular Media Culture, 3, 206-222.

Bruchmann, K., Suls, J., Lee, S., Rose, J.P., Krizan, Z., & Windschitl, P. (2013). Searching for the limits and explanations of the non-selective superiority bias.  Social Psychological and Personality Science, 4, 124-130.

Rose, J.P. & Nagel, B.  (2013).  Relation between comparative risk, absolute risk, and worry: The role of handedness strength.  Journal of Health Psychology, 18, 866-874.

Rose, J. P., Jasper, J. D., & Corser, R.  (2012).  Interhemispheric interaction and egocentrism: The role of handedness in social comparative judgment.  British Journal of Social Psychology, 51, 111-129.

Rose, J. P., Windschitl, P.D., & Smith, A.R. (2012).  Debiasing egocentrism and optimism biases in repeated competitions.  Judgment & Decision Making, 7, 761-767.

Rose, J. P., Endo, Y., Windschitl, P. D., & Suls, J. (2008).  Cultural differences in unrealistic optimism and pessimism: The role of egocentrism and direct vs. indirect comparison measures.  Personality and Social Psychology Bulletin, 34, 1236-1248.

Rose, J. P. & Windschitl, P. D. (2008).  How egocentrism and optimism change in response to feedback in repeated competitions.  Organizational Behavior and Human Decision Processes, 105, 201-220.

Windschitl, P. D., Rose, J. P., Stalkfleet, M., & Smith, A. R. (2008). Are people excessive or judicious in their egocentrism?  A modeling approach to understanding bias and accuracy in people’s optimism.  Journal of Personality and Social Psychology, 95, 253-273.Basic and Applied Social Psychology.

Determinants of Healthy Behavior

Maras, J. Murray, A. M., Boardley, D., Van Wasshenova, E., Tull, M., Tipton, J., & Geers, A. L. (in press). Assessing the relationship between implicit and explicit evaluations of fruit and vegetable consumption by cancer survivors. International Journal of Behavioral Medicine.

Murray, A., Boardley, D., Van Wasshenova, E., Mahas, R., Kiviniemi, M. T., Tipton, J., & Geers, A. L. (in press). Affective determinants of physical activity in cancer survivors. Psychology and Health.

Aloni, M., Geers, A. L., & Milano, K. (2019). Too picky for my taste?: Effects of the gluten-free dietary restriction on impressions of romantic partners. Appetite.

Baker, D. E., Edmonds, K. A., Calvert, M., Sanders, S. M., Bridges, A. J., Rhea, M., & Kosloff, S. (2019). Predicting attrition in long-term residential substance use disorder treatment: A modifiable risk factor perspective. Psychological Services.

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.

Seligman, L. D., Geers, A. L., Swedish, E. F., Hovey, J. D., & Hurtado, G. (2018). An analogue study examining attitude change theory and its implications for dissemination and implementation of empirically supported treatments. Journal of Evidence Based Psychotherapies.

Tull, M. T., Lee, A. A., Geers, A. L., & Gratz, K. L. (2018). Exploring the role of sedentary behavior and physical activity in depression and anxiety symptom severity among patients with substance use disorder. Mental Health and Physical Activity, 14, 98-102.

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.

Roberts, L. R., Rose, J.P., & Vogel, E. A. (2017). Experiencing is believing: Prior experience moderates the impact of self-based and socially-based cues in the context of blood donation. Journal of Behavioral Medicine.

Haught, H. M., Rose, J. P., & Brown, J. A. (2016). Social-class indicators differentially predict engagement in prevention vs. detection behaviours. Psychology and Health, 31, 21-39.

Mahas, R., Sheu, J. J., Singh, S., Jordan, T., & Geers, A. (2016). Racial/ethnic disparities, body weight, and psychosocial antecedents that predict women’s failure to meet Pap test screening national recommendations. Translational Cancer Research, 5, S983-S992.

Fowler, S. L. & Geers, A. L. (2015). Comparative and dispositional optimism as interactive predictors: The moderating role of psychological distance. Psychology and Health, 30, 456-474.

Haught, H. M., Rose, J. P., Geers, A. L., & Brown, J. A. (2015). Subjective social status and health: The roles of referent abstraction. Journal of Social Psychology.

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., Wellman, J. A., & Fowler, S. L. (2013). Unique and interactive effects of comparative and dispositional optimism. Psychology and Health, 28, 30-48.

Geers, A. L., Wellman, J. A., & Lassiter, G. D. (2009). Dispositional optimism and engagement: The moderating influence of goal prioritization. Journal of Personality and Social Psychology, 96, 913-932.

Rose, J. P.  (2010). Are direct or indirect measures of comparative risk better predictors of concern and behavioral intentions?  Psychology and Health, 25, 149-165.