I have postgraduate training in cognitive, organisational, and consumer psychology. I use experimental research methods to understand the cognitive processes underlying judgment and decision-making, and the application of this knowledge to environmental, financial, managerial, and consumption contexts. Specific areas of interest include choices made under uncertainty, choice architecture, word-of-mouth, goals, motivation, confidence, and pro-social marketing. My research has been published in top academic journals in psychology, management, and marketing. A complete list of my academic (peer-reviewed) publications is shown below.

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Based on research from the paper “Consumers underestimate the emissions associated with food but are aided by labels”.

Working Papers

  1. Camilleri, A. R. (2021). What happens when a retailer displays both the number of reviews and the number of sales? [PDF]
  2. Camilleri, A. R. (2023). An investigation of life’s biggest decisions.
  3. Camilleri, A. R., Jin, L., & Zhang, Y. (2023). Probability-based loyalty reward programs increase customer engagement.

Refereed Journal Publications

  1. Camilleri, A. R., Dankova, K, Ortiz Gomez, J. M., & Neelim, A. (2023). Increasing worker motivation using a reward scheme with probabilistic elements. Organizational Behavior and Human Decision Processes. DOI: 10.1016/j.obhdp.2023.104256 [Preregistration and data]
  2. Camilleri, A. R. & Sah, S. (2021). Amplification of the status quo bias among physicians making medical decisions. Applied Cognitive Psychology, 35(6), 1374-1386. DOI: 10.1002/acp.3868 [Preregistration] [Data]
  3. Camilleri, A. R. (2021). Who doesn’t read online consumer reviews, and why? Personality and Individual Differences. DOI: 10.1016/j.paid.2021.110954 [Stimuli]
  4. Camilleri, A. R. (2020). The importance of online reviews depends on when they are presented. Decision Support Systems. DOI: 10.1016/j.dss.2020.113307
  5. Camilleri, A. R., Cam, M., & Hoffmann, R. (2019). Nudges and signposts: The effect of smart defaults and pictographic risk information on retirement saving investment choices. Journal of Behavioral Decision Making, 32(4), 431-449. DOI: 10.1002/bdm.2122 [Preregistration] [PDF]
  6. Hoffmann, R., Cam, M., & Camilleri, A. R. (2019). Deciding to invest responsibly: Choice architecture and demographics in an incentivised retirement savings experiment. Journal of Behavioral and Experimental Economics, 80, 219-230. DOI: 10.1016/j.socec.2019.04.005
  7. Camilleri, A. R. & Larrick, R. P. (2019). The collective aggregation effect: Aggregating potential collective action increases prosocial behavior. Journal of Experimental Psychology: General, 148(3), 550-569. DOI: 10.1037/xge0000563 [PDF]
  8. Camilleri, A. R., Larrick, R. P., Hossain, S., & Patino-Echeverri D. (2019). Consumers underestimate the emissions associated with food but are aided by labels. Nature Climate Change9, 53–58. DOI: 10.1038/s41558-018-0354-z[Data] [PDF]
  9. Camilleri, A. R. & Newell, B. R. (2019). Better calibration when predicting from experience (rather than description). Organizational Behavior and Human Decision Processes, 150, 62-82. DOI: 10.1016/j.obhdp.2018.10.006 [Preregistration] [PDF]
  10. Kidd, L. R., Garrard, G. E., Bekessy, S. A., Mills, M., Camilleri, A. R., Fidler, F., Fielding, K. S., Gordon, A., Gregg, E. A., Kusmanoff, A. M., Louis, W., Moon, K., Robinson, J. A., Selinske, M. J., Shanahan, D., & Adams, V. M. (2019). Messaging matters: A systematic review of the conservation messaging literature. Biological Conservation, 236, 92-99. DOI:
  11. Ungemach, C., Camilleri, A. R., Johnson, E. J., Larrick, R. P., & Weber, E. U. (2018). Translated attributes as choice architecture: Aligning objectives and choices through decision signposts. Management Science, 64(5), 2445 – 2459. DOI: 10.1287/mnsc.2016.2703 [PDF]
  12. Powell, A. E., Camilleri, A. R., Dobele, A. R., & Stavros, C. (2017). Developing a scale for the perceived social benefits of sharing. Journal of Consumer Marketing, 34(6), 496-504. DOI: 10.1108/JCM-03-2017-2124 [PDF]
  13. Camilleri, A. R. (2017). The presentation format of review score information influences consumer preferences through the attribution of outlier reviews. Journal of Interactive Marketing, 38, 1-14. DOI: 10.1016/j.intmar.2017.02.002 [PDF]
  14. Camilleri, A. R. & Larrick, R. P. (2014)Metric and scale design as choice architecture tools. Journal of Public Policy & Marketing, 33(1), 108-125DOI: 10.1509/jppm.12.151. [PDF]
  15. Camilleri, A. R. & Newell, B. R. (2013). The long and short of it: Closing the description-experience “gap” by taking the long run view. Cognition, 126, 54-71. DOI: 10.1016/j.cognition.2012.09.001. [PDF] [Corrigendum]
  16. Camilleri, A. R. & Newell, B. R. (2011). When and why rare events are underweighted: A direct comparison of the sampling, partial feedback, full feedback and description choice paradigms. Psychonomic Bulletin & Review, 18, 377-384. DOI: 10.3758/s13423-010-0040-2. [PDF]
  17. Camilleri, A. R. & Newell, B. R. (2011). Description- and experience-based choice: Do equivalent samples equal equivalent choice? Acta Psychologica, 136, 276-284. DOI: 10.1016/j.actpsy.2010.11.007. [PDF]
  18. Camilleri, A. R. & Newell, B. R. (2009). The role of representation in experience-based choice. Judgment & Decision Making, 4(7), 518–529. [PDF]

Refereed Chapters

  1. Camilleri, A. R. & Larrick, R. P. (2015). Choice architecture. In R. Scott & S. Kosslyn (Eds.), Emerging Trends in the Social and Behavioral Sciences. Hoboken, NJ: John Wiley and Sons. DOI: 10.1002/9781118900772 [PDF]
  2. Camilleri, A. R., & Newell, B. R. (2013) Mind the gap? Description, experience, and the continuum of uncertainty in risky choice. In N. Srinivasan and P. Chandrasekhar (Eds.) Progress in Brain Research: Decision Making: Neural and Behavioural Approaches (pp. 55-72). Oxford, UK: Elsevier. DOI: 10.1016/B978-0-444-62604-2.00004-6. [PDF]

Refereed Full Paper Proceedings Publications

  1. Powell, A. E., Dobele, A. R., Camilleri, A. R., & Stavros, C., (2015). Psychosocial and contextual determinants of word-of-mouth transmission: A conceptual framework. Proceedings of the 2015 ANZMAC Conference: Innovation and Growth Strategies in Marketing, Sydney, Australia. [PDF]
  2. Hawkins, G., Camilleri, A. R., Heathcote, A., Newell, B. R., & Brown, S. (2014). Modeling probability knowledge and choice in decisions from experience. Proceedings of the 36th Annual Conference of the Cognitive Science Society (pp. 595-600). Austin, TX: Cognitive Science Society. [PDF]
  3. Camilleri, A. R. & Newell, B. R. (2011). The relevance of a probabilistic mindset in risky choice. In L. Carlson, C. Hölscher, & T. Shipley (Eds.), Proceedings of the 33rd Annual Conference of the Cognitive Science Society (pp. 2794-2799). Austin, TX: Cognitive Science Society. [PDF]
  4. Camilleri, A. R. & Newell, B. R. (2009). Within-subject preference reversals in description- and experience-based choice. In N. Taatgen, J. van Rijn, J. Nerbonne & L. Schomaker (Eds.), Proceedings of the 31st Annual Conference of the Cognitive Science Society (pp. 449-454). Austin, TX: Cognitive Science Society. [PDF]

Refereed Extended Abstract Proceedings Publications

  1. Camilleri, A. R. & Larrick, R. P. (2013). Scale and metric design as choice architecture tools. In L. Salisbury & K. Seiders (Eds)., Marketing and Public Policy Conference Proceedings 2013, (pp. 62-63) Chicago, IL: American Marketing Association. [PDF]
  2. Camilleri, A. R., Ungemach, C., Larrick, R. P., Johnson, E. J., & Weber, E. U. (2013). Translated attributes as a choice architecture tool: Trick and treat. In L. Salisbury & K. Seiders (Eds)., Marketing and Public Policy Conference Proceedings 2013, (pp. 15-16) Chicago, IL: American Marketing Association. [PDF]


  1. Camilleri, A. R.  (2011). The psychological mechanisms underpinning experience-based choice (Doctoral dissertation). [PDF]
  2. Camilleri, A. R.  (2007). Extinction and renewal of human causal learning (Honours thesis). [PDF]

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