Publications
Guevara Beltran, D.,*+ Ayers, J. D.,* Claessens, S., Alcock, J., Baciu, C., Cronk, L., Hudson, N. M., Hurmuz-Sklias, H., Miller, G., Tidball K., Van Horn, A., Winfrey P., Zarka, E., Todd, M. P. & Aktipis A (2024). Shared Fate was Associated with Sustanied Cooperation During the COVID-19 Pandemic. PLoS One. *Co-first authors, +Corresponding author.
Martin E.A., Guevara Beltran, D., Koster, J., & Tracy, J. (2024). Is Gender Primacy Universal?. Proc Natl Acad Sci USA.
Guevara Beltran, D., Shiota M. N., & Aktipis, A. (2024). Empathic concern predicts willingness to help in the absence of interdependence. Emotion.
Guevara Beltran, D., Shiota M. N., & Aktipis, A. (2024). A socio-functional perspective on emotion and cooperation. In L. Al-Shawaf & T. K. Shackelford (Eds.), The Oxford Handbook of Evolution and the Emotions. New York: Oxford University Press.
Guevara Beltran, D., Whisner, C., Krems J. A., Todd P. M., & Aktipis, A. (2023). Perceived food scarcity and disease concern reduce interdependence when people eat together. European Journal of Social Psychology.
Guevara Beltran, D., Mercado D. R., Ayers, J. D., Van Horn, A., Cronk, L., & Aktipis A. (2023). Unpredictable needs are associated with lower expectations of repayment. Current Research in Ecological and Social Psychology.
Guevara Beltran, D., Ayers, J. D., Munoz, A., Cronk, L., & Aktipis A. (2023). What is Reciprocity? A Review and Expert-based Classification of Cooperative Transfers. Evolution and Human Behavior.
Sznycer, D., Ayers, J. D., Sullivan, D., Guevara Beltran, D., van den Akker, O. R., Munoz, A., Hruschka, D. J., Cronk, L., & Aktipis, A. (2023). Fitness interdependence as indexed by shared fate: Factor structure and validity of a new measure. Evolutionary Behavioral Sciences.
Ayers, J. D., Guevara Beltran,D., Van Horn, A., Hurmuz-Sklias, H., Cronk, L., Todd, P. M., & Aktipis,A. (2023). COVID-19 and friendships: Agreeableness and neuroticism are associated with more concern about COVID-19 and friends' risky behaviors. Personality and Individual Differences.
Heiman, S. L., Claessens, S., Ayers, J. D., Guevara Beltran, D., Van Horn, A., Hirt, E. R., Aktipis, A., Todd, P. M. (2023). Descriptive, not injunctive, social norms caused increases in mask wearing during the COVID-19 pandemic. Scientific Reports.
Ayers, J. D., Guevara Beltrán, D., Van Horn, A., Cronk, L., Todd, P. M., & Aktipis, A. (2022). Younger people and people with higher subjective SES experienced more negative effects of the pandemic on their friendships. Personality and Individual Differences, 185, 111246.
Cronk, L., Guevara Beltran, D., Mercado D. R., & Aktipis A. (2021). “A solidarity-type world.” Need-based helping among ranchers in the Southwestern United States. Human Nature.
Schniter, E., Macfarlan, S. J., Garcia, J. J., Ruiz-Campos, Guevara Beltran, D., Bowen, B. B., & Lerback, J. C. (2021). Age-Appropriate Wisdom? Human Nature.
Wilson, K. E., Corbett, A., Van Horn, A., Guevara Beltran, D., Ayers, J. D., Alcock, J., & Aktipis, A. (2021). Associations Between Change Over Time in Pandemic-Related Stress and Change in Physical Activity. Journal of Physical Activity & Health, 18(11), 1419–1426.
Aktipis, A., & Guevara Beltran, D. (2020). Can some microbes promote host stress and benefit evolutionarily from this strategy?. BioEssays, 2000188.
Macfarlan, S. J., Schacht, R., Schniter, E., Garcia, J. J., Guevara Beltran, D., & Lerback, J. (2020). The role of dispersal and school attendance on reproductive dynamics in small, dispersed populations: Choyeros of Baja California Sur, Mexico. PLoS One, 15(10), e0239523.
Vigil, J., DiDomenico, J., Strenth, C., Coulombe, P., Kruger, E., Mueller, A., Guevara Beltran, D., & Adams, I. (2015). Experimenter effects on pain reporting in women vary across the menstrual cycle. International Journal of Endocrinology.
Vigil, J. M., Strenth, C. R., Mueller, A. A., DiDomenico, J., Guevara Beltran, D., Coulombe, P., & Smith, J. E. (2015). The curse of curves: Sex differences in the associations between body shape and pain expression. Human Nature.
Preprints, under review, or submitted projects
Guevara Beltran, D., Ma, S., Maresh, E. L., Coppola, A. E., Mehl, M. R., Andrews-Hannah, J. R., & Sbarra, D. (under review). Feeling Your Partner's Outcomes as Your Own? Affect to Simultaneous Social Feedback Depends on Relationship Closeness. PsyArXiv.
Guevara Beltran, D., Ayers, J. D., Kwon, J.Y., A., Todd, P. M., & Aktipis, A. (under review). Helping in Times of Need Cultivates Empathic Concern Over Time. PsyArXiv.
Michalec, B., Forbes, C., Pardon, K., Ayala B., Guevara Beltran, D., Douille, C., Felix, K., Gnall, S., Hoenack, M., McKeever B., Nguyen, D., Piemonte, N., Portle, S. (under review). A Scoping Review of Emotional Contagion Research with Human Subjects: Identifying Common Trends of Previous Research & Potential Areas for Future Research.
In preparation or in progress projects
Guevara Beltran, D., Ayers, J. D., Cronk L., Koster J., & Aktipis, A. (in prep). Sources of fitness interdependence are associated with perceived shared fate and cooperation.
Ma, S., Coppola, A. M., Maresh, E. L., Guevara Beltran, D., Cook, K.M., Sbarra, D., & Andrews-Hanna, J. R. (in prep). Yours is Mine: Neural Self-Partner Representation Similarity during Social Feedback Relates to Relationship Satisfaction and Depression.
Kwon, J. Y., Barlev, M., Guevara Beltran, D., Kenrick, D. T., & Varnum, M. E. W. (in progress). What Are Social Norms for?