Conference Presentations

(Student authors in boldface):

Beran, M. J., Eagar, L., Syed, K., & Friedlein, K. (November, 2024). Monkeys use value and number (approximately) in a symbolic quantity summation task. Paper presented at the 65th annual meeting of the Psychonomics Society, New York, NY.

Eagar, L., Rosales, C., & Beran, M. J. (November, 2024). Can monkeys do multiplication? Comparing value and number (approximately) in a symbolic quantity summation task. Poster presented at the Psychology Undergraduate Research Conference, Atlanta, GA.

Haseltine, E., McKeon, J., Jackson, B. N., Mayerhoff, S., & Beran, M. J. (November, 2024). Cognitive offloading by children during a manual memory task. Poster presented at the 65th annual meeting of the Psychonomics Society, New York, NY.

Gogstad, M., McKeon, J., Sudhakar, M., Szikman, I., Mayerhoff, S. R., Haseltine, E. L., Sanchez, A., Jackson, B. N., & Beran, M. J. (November, 2024). Avoiding the hardest part: Cognitive offloading by preschool children during a computer task. Poster presented at the Psychology Undergraduate Research Conference, Atlanta, GA.

McKeon, J., Jonkoski, D., & Beran, M. J. (November, 2024). Monkeys do not consistently ‘save for last’ the hardest discriminations of multi-dimensional stimuli. Poster presented at the 65th annual meeting of the Psychonomics Society, New York, NY.

Rosales, C., Eagar, L., Davis, L., McKeon, J., & Beran, M. J. (November, 2024). Monkey see, Monkey wait: The effect of withholding responses on illusory perceptions. Poster presented at the Psychology Undergraduate Research Conference, Atlanta, GA.

Szikman, I., Haseltine, E. L., Mayerhoff, S. R., McKeon, J., Jackson, B. N., & Beran, M. J. (November, 2024). Cognitive offloading by preschool children using a manual task. Poster presented at the Psychology Undergraduate Research Conference, Atlanta, GA.

Haseltine, E. L., Parrish, A. E., Englund, M. D., Agrillo, C., & Beran, M. J. (April, 2024). Rhesus monkeys and capuchin monkeys do not show evidence of the connectedness illusion during relative quantity judgments. Poster presented at the 31st Annual International Conference on Comparative Cognition, Albuquerque, NM.

Jonkoski, D., Syed, K., Haseltine, E., Friedlein, K., McKeon, J., Jackson, B., & Beran, M. J. (April, 2024). Patience is a virtue: Delay of gratification by capuchin monkeys. Presentation at the Georgia State University Undergraduate Research Conference, Atlanta, GA.

McKeon, J. W., & Beran, M. J. (April, 2024). No evidence for self-directed learning, but rhesus monkeys (Macaca mulatta) and capuchins (Cebus s. apella) differ in preferred learning strategies. Poster presented at the 31st Annual International Conference on Comparative Cognition, Albuquerque, NM. [Winner, Ron Weisman Outstanding Student Presentation Award.]

Rodriguez, S., Gray, S. L., Beran, M. J., & Qadri, M. A. (April, 2024). Organized behavior: The effect of joystick usage on human’s cognitive control during multi-target multi-dimensional visual search. Poster presented at the 31st Annual International Conference on Comparative Cognition, Albuquerque, NM.

Sudhakar, M., Haseltine, E., McKeon, J., Sanchez, A., Mayerhoff, S., Jackson, B., & Beran, M. J. (April, 2024). Cognitive offloading by preschool children in a computerized task. Presentation at the Georgia State University Undergraduate Research Conference, Atlanta, GA.

Welsh, C., Riley, M., Kelly, A., Beran, M. J., Perdue, B., & Parrish, A. E. (March, 2024). Metacognitive offloading in children – An image rotation task. Poster presented at the 70th annual meeting of the Southeastern Psychological Association, Orlando, FL.

Beran, M. J., Kelly, A. J., Perdue, B. M., & Parrish, A. E. (November, 2023). Image rotations as a (meta)cognitive offloading strategy by children. Paper presented at the 64th annual meeting of the Psychonomics Society. San Francisco, CA.

Friedlein, K., & Beran, M. J. (November, 2023). Prospective and retrospective metamemory wagers by rhesus monkeys (Macaca mulatta) and capuchin monkeys (Cebus apella). Poster presented at the Psychology Undergraduate Research Conference, Atlanta, GA.

Haseltine, E., & Beran, M. J. (November, 2023). The lure of ‘what if’: Do monkeys seek information about alternative outcomes? Poster presented at the 64th annual meeting of the Psychonomics Society. San Francisco, CA.

Jonkoski, D., Haseltine, E., Friedlein, K., McKeon, J., Jackson, B., Vera, R., Syed, K., & Beran, M. J. (November, 2023). Patience is a virtue: Delay of gratification by capuchin monkeys. Poster presented at the Psychology Undergraduate Research Conference, Atlanta, GA.

Kelly, A., Simakova, U., Boland, A., Aguilar, J., Gilkes, C., & Beran, M. J. (November, 2023). Exploring the influence of motivation on prospective memory via pupillometry. Poster presented at the 64th annual meeting of the Psychonomics Society. San Francisco, CA.

McKeon, J., & Beran, M. J. (November, 2023). Self-directed learning in nonhuman primates. Poster presented at the 64th annual meeting of the Psychonomics Society. San Francisco, CA.

Syed, K., Friedlein, K., Jonkoski, D., Haseltine, E., McKeon, J., Sanchez, A., Vera, R., Jackson, B., & Beran, M. J. (April, 2024). Rhesus monkeys and capuchin monkeys show little evidence of the connectedness illusion during relative quantity judgments. Presentation at the Georgia State University Undergraduate Research Conference, Atlanta, GA.

Friedlein, K., & Beran, M. J. (April, 2023). The role of stimulus fluency in prospective and retrospective metacognitive judgments by rhesus monkeys (Macaca mulatta) and capuchin monkeys (Cebus apella). Poster presented at the 69th annual meeting of the Southeastern Psychological Association. New Orleans, LA.

Gray, S. L., Qadri, M. A. J., & Beran, M. J. (April, 2023). Attentional strategies by capuchin monkeys in multi-dimensional visual search. Paper presented at the 30th Annual International Conference on Comparative Cognition. Melbourne, FL.

Haseltine, E. L., & Beran, M. J. (April, 2023). The lure of ‘what if’: Do multiple species seek information about alternative past events? Poster presented at the 30th Annual International Conference on Comparative Cognition. Melbourne, FL.

Mayerhoff, S., Babb, M., Beran, M. J., & Brosnan, S. F. (April, 2023). File, save, forget: Cognitive offloading in non-human primates. Poster presented at the 30th Annual International Conference on Comparative Cognition. Melbourne, FL.

McKeon, J., & Beran, M. J. (April, 2023). Self-directed learning in nonhuman primates. Poster presented at the 30th Annual International Conference on Comparative Cognition. Melbourne, FL.

McKeon, J., & Beran, M. J. (April, 2023). Self-directed learning in nonhuman primates. Poster presented at the 69th annual meeting of the Southeastern Psychological Association. New Orleans, LA.

Proctor, D., Beran, M. J., &Taylor, D. (April, 2023). Many Primates – A large-scale collaboration to better understand primate cognition. Paper presented at the 30th Annual International Conference on Comparative Cognition. Melbourne, FL.

Washburn, D. A., Beran, M. J., Menzel, C. R., & Brakke, K. E. (March, 2023). 50+ Years of “So that together we may learn of language”: A history of the Language Research Center. Paper presented at the 114th annual meeting of the Southern Society for Philosophy and Psychology, Louisville, KY.

 Haseltine, E., & Beran, M. J. (October, 2022). The lure of “what if’: Do multiple species seek information about alternative past events? Poster presented at the 5th annual meeting of the Southeastern Evolution and Human Behavior conference, Atlanta, GA.

Parrish, A. E., & Beran, M. J. (September, 2022). Distinguishing mechanisms of behavioral inhibition and self-control. Paper presented at the 32nd International Conference of the Spanish Society for Comparative Psychology, Almeria, Spain.

Haseltine, E., Englund, M., Weed, J., Beran, M. J., & Mendelson, J. (April, 2022). Investigating Guatemalan beaded lizards’ foraging efficiency in a radial arm maze. Poster presented at the 29th Annual International Conference on Comparative Cognition, Melbourne, FL.

McKeon, E. J., Parrish, A. E., & Beran, M. J. (April, 2022). Studying the illusory object-based warping distortion of space between objects in non-human primates. Poster presented at the 29th Annual International Conference on Comparative Cognition, Melbourne, FL.

Haseltine, E., & Beran, M.J. (March, 2022). Counterfactual curiosity in nonhuman primates. Poster presented at the 68th annual meeting of the Southeastern Psychological Association, Hilton Head, SC.

McKeon, E., Parrish, A. E., & Beran, M. J. (March, 2022). Studying the illusory object-based warping distortion of space between objects. Poster presented at the 68th annual meeting of the Southeastern Psychological Association, Hilton Head, SC.

Vogt, M., & Beran, M. J. (April, 2021). Monkey math: Discrimination of proportions by capuchin and rhesus monkeys. Online presentation at the Georgia State University Research Conference, Atlanta, GA.

Haseltine, E., & Beran, M. J. (April, 2021). Summation of numeral value in a computerized maze task by rhesus monkeys (Macaca mulatta). Poster presented at the 28th Annual International Conference on Comparative Cognition. Virtual Meeting.

McKeon, E. J., Beran, M. J., & Parrish, A. E. (April, 2021). Children (Homo sapiens), but not rhesus monkeys (Macaca mulatta), perceive the one-is-more illusion. Poster presented at the 28th Annual International Conference on Comparative Cognition. Virtual Meeting.

James B. T., Vogt, M., Shimada, J., Medellin, I., & Beran, M. J. (December, 2020). Social decision-making and extended metacognition in preschool children. Paper presented at the 112th annual meeting of the Southern Society for Philosophy and Psychology. Virtual meeting. [Winner – SSPP Graduate Student Travel Grant Award]

Beran, M. J., Agrillo, C., James, B. T., & Parrish, A. E. (December, 2020). I can’t believe my eyes! Or can I? Perceptual illusions and choice behavior in primates. Paper presented at the 112th annual meeting of the Southern Society for Philosophy and Psychology. Virtual meeting.

French, K. A., & Beran, M. J. (December, 2020). The assessment of cognitive bias in capuchin monkeys using a computerized task.  Paper presented at the 112th annual meeting of the Southern Society for Philosophy and Psychology. Virtual meeting.

Love, M., Kelly, A., Parrish, A. E., Perdue, B. M., Little, S., & Beran, M. J. (November, 2020). Focality and prospective memory in preschool children. Poster presented at the Annual Meeting of the Psychonomic Society, Virtual Meeting.

Whitham, W., Beran, M. J., & Washburn, D. A. (November, 2020).  Monkey strategy use in categorization. Poster presented at the Annual Meeting of the Psychonomic Society, Virtual Meeting.

Shimada, J., Beran, M. J., & Flessert, M. (April, 2020). Seeing faces in many places: The perception of face pareidolia in pre-school aged children. Poster presented at the Georgia State Undergraduate Research Conference, Atlanta, GA.

Vogt, M., Beran, M. J., Parrish, A. E., Perdue, B. M., Love, M., Little, A., & Kelly, A. W. (April, 2020). Focality and prospective memory in preschool children. Poster presented at the Georgia State Undergraduate Research Conference, Atlanta, GA.

Medellin, I., Flessert, M., Shimada, J., Sims, Y., Whitham, W., French, K., James, B. T., & Beran, M. J. (October, 2019). Assessing the relation of metacognition and executive function tasks in preschool children. Poster presented at the Psychology Undergraduate Research Conference, Georgia State University, Atlanta, GA.

Shimada, J., James, B. T., Medellin, I., & Beran, M. J. (October, 2019). Go when you know: Studying metacognition and confidence in preschool aged children. Poster presented at the Psychology Undergraduate Research Conference, Georgia State University, Atlanta, GA.

Vogt, M., Flessert, M., Sims, Y., Medellin, I., & Beran, M. J. (October, 2019). Knowing what they know: Efficient information seeking by preschool children. Poster presented at the Psychology Undergraduate Research Conference, Georgia State University, Atlanta, GA.

James, B. T., & Beran, M. J. (August, 2019). Boundary extension in humans, rhesus monkeys, and capuchin monkeys. Poster presented at the 127th annual meeting of the American Psychological Association, Chicago, IL.

Flessert, M., & Beran, M. J. (April, 2019). Building a rating scale for monkey perceptual and conceptual classification tasks. Poster presented at the 26th annual meeting of the Comparative Cognition Society, Melbourne, FL.

French, K., & Beran, M. J. (April, 2019). The assessment of cognitive bias in two species of nonhuman primates using a computerized task. Poster presented at the 26th annual meeting of the Comparative Cognition Society, Melbourne, FL.

James, B. T., & Beran, M. J. (April, 2019). Boundary extension in humans (Homo sapiens), rhesus monkeys (Macaca mulatta), and capuchin monkeys (Cebus apella). Poster presented at the 26th annual meeting of the Comparative Cognition Society, Melbourne, FL.

Soares, P., Evans, T. A., Whitham, W., Beran, M. J., & Washburn, D. A. (April, 2019). Can rhesus monkeys learn to use symbols to label faces, tasks and foods? Poster presented at the 26th annual meeting of the Comparative Cognition Society, Melbourne, FL.

Stromberg, E., Beran, M. J., & Parrish, A. E. (April, 2019). Exploring metacognitive movements in orangutans. Poster presented at the 26th annual meeting of the Comparative Cognition Society, Melbourne, FL.

Tomeo, O. B., Beran, M. J., & Brosnan, S. F. (April, 2019). Investigation of risk-taking behavior in capuchin monkeys (Cebus [Sapajus] apella) using a modified balloon analogue risk task. Poster presented at the 26th annual meeting of the Comparative Cognition Society, Melbourne, FL.

Beran, M. J. (March, 2019). “Don’t point at me! Problems of interpretation for inter-temporal choice tests used with primates.” Paper presented at the 111th annual meeting of the Southern Society for Philosophy and Psychology, Cincinnati, OH.

Flessert, M., Taubert, T., Ungerleider, L., & Beran, M. J. (March, 2019). Seeing faces in many places: Face pareidolia in nonhuman primates. Paper presented at the 65th annual meeting of the Southeastern Psychological Association,
Jacksonville, FL.

French, K., James, B. J., Love, M., Vogt, M., Creamer, C., Whitham, W., Moss, R., Corea, C. R., & Beran, M. J. (March, 2019). Preschool children know what they know before they choose where to go. Paper presented at the 65th annual meeting of the Southeastern Psychological Association, Jacksonville, FL.

James, B., Smith, M., Whitham, W., Menzel, C. R., & Beran, M. J. (March, 2019). Memory interference in a chimpanzee during a food naming task. Paper presented at the 65th annual meeting of the Southeastern Psychological Association, Jacksonville, FL.

Beran, M. J., Perdue, B. M., & Parrish, A. E. (November, 2018). Confidence judgments by a chimpanzee, and evidence for a metacognitive illusion.Paper presented at the 59th annual meeting of the Psychonomic Society, New Orleans, LA.

Jackson, B. N., Shaw, C. N., Beran, M. J., Church, B. A., & Smith, J. D. (November 2018). Launch! The insightful discovery of self-agency.Poster presented at the 59th annual meeting of the Psychonomic Society, New Orleans, LA.

James, B. T., Smith, M., Menzel, C. R., & Beran, M. J. (November 2018). Post-event memory interference in chimpanzee food memory.Poster presented at the 59th annual meeting of the Psychonomic Society, New Orleans, LA.

Kelly, A. J., & Beran, M. J. (November 2018). An investigation of multi-trial free recall retrieval dynamics in preschoolers and young adults.Poster presented at the 59th annual meeting of the Psychonomic Society, New Orleans, LA.

Parrish, A. E., French, K., James, B., Creamer, C., Guild, A., & Beran, M. J. (November 2018). Exploring the density bias in primates.Poster presented at the 59th annual meeting of the Psychonomic Society, New Orleans, LA.

Creamer, C., Smith, T. R., Rossettie, M., & Beran, M. J. (October 2018). Confidence movements and metacognition in capuchin monkeys. Poster presented at the Georgia State University Psychology Undergraduate Research Conference, Atlanta, GA.

Sims, Y., Harris, A., Parrish, A. E., Agrillo, C, James, B. T., & Beran, M. J. (October 2018). The Jastrow illusion in humans adults, children, and monkeys. Poster presented at the Georgia State University Psychology Undergraduate Research Conference, Atlanta, GA.

Vogt, M., Flessert, M., & Beran, M. J. (October 2018). Spatial working memory in capuchin monkeys. Poster presented at the Georgia State University Psychology Undergraduate Research Conference, Atlanta, GA.

Flessert, M., Taubert, J., Wardle, S., Leopold, D., Beran, M., & Ungerlieder, L. (August, 2018). Do nonhuman primates also experience face pareidolia? Paper presented at the 55th Annual Conference of the Animal Behavior Society, Milwaukee, WI.

Agrillo, C., Parrish, A. E., Beran, M. J., & Miletto Petrazzini, M. E. (April, 2018). Exploring the Solitaire illusion in guppies (Poecilia reticulata). Paper presented at the 25th annual meeting of the Comparative Cognition Society, Melbourne, FL.

French, K., Smith, T., Parrish, A. E., & Beran, M. J. (April, 2018). Assessing the SNARC effect in rhesus monkeys and capuchin monkeys. Poster presented at the 25th annual meeting of the Comparative Cognition Society, Melbourne, FL.

Parrish, A. E., French, K., Creamer, C., James, B. T., & Beran, M. J. (April, 2018). Exploring the density bias in nonhuman primates. Paper presented at the 25th annual meeting of the Comparative Cognition Society, Melbourne, FL.

Smith, T., & Beran, M. J. (April, 2018). Symbolic contingencies for reward-delay and reward-amount. Paper presented at the 25th annual meeting of the Comparative Cognition Society, Melbourne, FL.

Creamer, C., French, K., Rossettie, M., Beran, M. J., & Parrish, A. E. (March, 2018). Capuchin monkeys perceive the density bias in a foraging task. Poster presented at the 64th annual meeting of the Southeastern Psychological Association, Charleston, SC.

French, K., Beran, M. J., Espy, K., & Washburn, D. A. (March, 2018). Simians in the Shape School: A comparative study of executive Attention. Paper presented at the 64th annual meeting of the Southeastern Psychological Association, Charleston, SC.

Guild, A., Kelly, A., James, B., Beran, M. J., & Parrish, A. E. (March, 2018). Metacognitive movements: Exploring metacognition development in preschoolers. Poster presented at the 64th annual meeting of the Southeastern Psychological Association, Charleston, SC.

James, B., Kelly, V., Creamer, C., Guild, A., Camden, A., Perdue, B., Kelly, A., Parrish, A. E., & Beran, M. J. (March, 2018). Metacognitive confidence movements in preschool children. Paper presented at the 64th annual meeting of the Southeastern Psychological Association, Charleston, SC.

Kelly, A. J., Reyes, H., Rodriguez, K., & Beran, M. J. (March, 2018). Retrieval dynamics of preschool children and college students. Poster presented at the 64th annual meeting of the Southeastern Psychological Association, Charleston, SC.

Kelly, A. J., Parrish, A. E., Perdue, B. M., & Beran, M. J. (March, 2018). The impact of focality and task difficulty on prospective memory in preschool children.  Paper presented at the 110th meeting of the Southern Society for Philosophy and Psychology, San Antonio, TX.

Moss, R., James, B., French, K., Kelly, V., Kelly, A., Parrish, A. E., & Beran, M. J. (March, 2018). Metacognitive confidence judgments during solitary and group decision-making. Poster presented at the 64th annual meeting of the Southeastern Psychological Association, Charleston, SC.

Perdue, B. M., Camden, A. A., Kelly, A. J., Love, M., & Beran, M. J. (March, 2018). Repeated testing in children: An analysis of variables influencing habitual prospective memory. Paper presented at the 110th meeting of the Southern Society for Philosophy and Psychology, San Antonio, TX.

Smith, T. R., French, K., & Beran, M. J. (March, 2018). Learned symmetrical relations. Paper presented at the 64th annual meeting of the Southeastern Psychological Association, Charleston, SC.

Whitham, W., James, B., & Beran, M. J. (March, 2018). Minor meteorology: A weather prediction task with young children. Paper presented at the 64th annual meeting of the Southeastern Psychological Association, Charleston, SC.

Beran, M. J., James, B. T., Guild, A., Kelly, V., Camden, A., Love, M., Whitham, W., Kelly, A. J., & Parrish, A. E. (November, 2017). Go if they know: Metacognitive confidence movements in preschool children. Paper presented at the 58th annual meeting of the Psychonomics Society, Vancouver, Canada.

James, B. T., French, K., Kelly, V., Moss, R., Kelly, A. J., Parrish, A. E., & Beran, M. J. (November, 2017). Memory for metacognitive confidence judgments during team trivia.Poster presented at the 58th annual meeting of the Psychonomics Society, Vancouver, Canada.

James, B. T., French, K., Kelly, V., Parrish, A. E., & Beran, M. J. (November, 2017). Performance on the reverse-reward contingency task by preschool-aged children.Paper presented at the annual meeting of the Comparative Cognition Society, Vancouver, Canada.

Smith, T. R., & Beran, M. J. (November, 2017). Training arbitrary symmetry relations in rhesus monkeys (Macaca mulatta). Paper presented at the 58th annual meeting of the Psychonomics Society, Vancouver, Canada.

Smith, T. R., & Beran, M. J. (November, 2017). Risky choice in capuchin monkeys (Cebus apella). Paper presented at the annual meeting of the Comparative Cognition Society, Vancouver, Canada.

Rossettie, M. S., Parrish, A. E., & Beran, M. J. (August, 2017). Trading up: Chimpanzees (Pan troglodytes) show self-control through their exchange behavior. Poster presented at the 40th annual meeting of the American Society of Primatologists, Washington, DC.

Smith, T. R., & Beran, M. J. (May, 2017). “Executive control” in rhesus macaques and capuchin monkeys. Poster presented at the 43rd annual meeting of the Society for the Advancement of Behavior Analysis, Denver, CO.

Smith, T. R., & Beran, M. J. (May, 2017). The magnitude effect in nonhuman primates. Paper presented at the 43rd annual meeting of the Society for the Advancement of Behavior Analysis, Denver, CO.

Smith, T. R., & Beran, M. J. (May, 2017). The effect of signaling reinforcement in capuchin monkeys: Extension of the gambling paradigm. Poster presented at the 40th annual meeting of the Society for the Quantitative Analysis of Behavior, Denver, CO.

Agrillo, C. Miletto Petrazzini, M. E., Parrish, A. E., & Beran, M. J. (April, 2017). Do guppies (Poecilia reticulata) perceive the Solitaire illusion? Paper presented at the 24th annual meeting of the Comparative Cognition Society, Melbourne, FL.

French, K., Beran, M. J., & Washburn, D. A. (April, 2017). Simians in the Shape School: A comparative study of executive function in rhesus monkeys. Poster presented at the 24th annual meeting of the Comparative Cognition Society, Melbourne, FL.

James, B., Rossettie, M., Smith, T., Otalora-Garcia, A., Beran, M., and Parrish, A. (April, 2017). Do capuchin monkeys (Cebus apella) show self-control depletion after food exchange and accumulation tasks? Poster presented at the 24th annual meeting of the Comparative Cognition Society, Melbourne, FL.

Parrish, A. E., & Beran, M. J. (April, 2017). Magnitude interference in chimpanzees: When quantity meets quality. Paper presented at the 24th annual meeting of the Comparative Cognition Society, Melbourne, FL.

Smith, T. R., & Beran, M. J. (April, 2017). Gambling in rhesus monkeys: The influence of informative cues on risky decision-making. Paper presented at the 24th annual meeting of the Comparative Cognition Society, Melbourne, FL.

Beran, M. J. (March, 2017). Lexigrams aside: Chimpanzee Lana’s legacy beyond language learning. Paper presented at the 108th annual meeting of the Southern Society for Philosophy and Psychology, Savannah, GA.

Beran, M. J., Kelly, A. J., Perdue, B. M., Whitham, W., Love, M., Luk, P., Kelly, V., & Parrish, A. E. (November, 2016). Divide and conquer: Preschool children assign the hardest task to a helper. Paper presented at the 57th annual meeting of the Psychonomics Society, Boston, MA.

Parrish, A. E., Kelly, A. J., Perdue, B. M., Love, M., Whitham, W., Luk, P. Y., Kelly, V., & Beran, M. J. (November, 2016). Remembering for later: Exploring prospective memory development in preschool children. Poster presented at the 57th annual meeting of the Psychonomics Society, Boston, MA.

Perdue, B. M., Evans, T. A., & Beran, M. J. (November, 2016). Tool use and metacognition in chimpanzees. Poster presented at the 57th annual meeting of the Psychonomics Society, Boston, MA.

Smith, T. R., & Beran, M. J. (November, 2016). Cognitive control in capuchin monkeys. Paper presented at the annual meeting of the Comparative Cognition Society, Boston, MA.

Smith, T. R., & Beran, M. J. (November, 2016). Gambling monkeys: The influence of reward cues on risky decision-making. Poster presented at the 57th annual meeting of the Psychonomics Society, Boston, MA.

Whitham, W., Beran, M. J., Conway, C. M., James, B., Parrish, A. E., & Washburn, D. A. (November, 2016). Statistical regularities and quantity to humans and rhesus macaques. Poster presented at the 57th annual meeting of the Psychonomics Society, Boston, MA.

Beran, M. J. (August, 2016). NUMATH and animal numerical cognition.  Paper presented at the 124th annual meeting of the American Psychological Association, Denver, CO.

Beran, M. J. (August, 2016). Why nonhuman primate research (still) matters to human psychology.  Paper presented at the 124th annual meeting of the American Psychological Association, Denver, CO.

Beran, M. J., James, B. T.Whitham, W., & Parrish, A. E. (April, 2016). Chimpanzees can point to small amounts of food to accumulate larger amounts: Reversing the reverse-reward contingency error? Paper presented at the 23rd annual International Conference on Comparative Cognition, Melbourne, FL.

James, B. T., Rayburn-Reeves, R., & Beran, M. J. (April, 2016). Within-session reversal learning in rhesus macaques (Macaca mulatta). Poster presented at the 23rd annual International Conference on Comparative Cognition, Melbourne, FL.

Parrish, A. E., & Beran, M. J. (April, 2016). Response competition in monkey magnitude judgments: Size judgments are affected by reward values of stimuli. Paper presented at the 23rd annual International Conference on Comparative Cognition, Melbourne, FL.

Hrabic, M. L., Williamson, R. A., & Beran, M. J. (March, 2016). Learning to delay gratification: Evidence for differential strategy efficacy by paradigm. Poster presented at the 20th Biennial Conference of the Society for Research in Human Development, March 18, 2016, Denver, CO.

Love, M., Kelly, A., Perdue, B. M., & Beran, M. J. (March, 2016). Prospective memory and output monitoring in preschool children. Poster presented at the 62nd annual meeting of the Southeastern Psychological Association, New Orleans, LA.

Beran, M. J., & Parrish, A. E. (November, 2015). Capuchin monkeys (Cebus apella) treat small and large numbers of items similarly during relative quantity judgments. Paper presented at the 56th annual meeting of the Psychonomic Society, Chicago, IL.

Beran, M. J., Parrish, A. E., Futch, S. E., Evans, T. A., Perdue, B. M., & Smith, J. D. (November, 2015). Information-seeking behavior and confidence judgments by chimpanzees. Poster presented at the annual meeting of the Society for Judgment and Decision Making, Chicago, IL.

Parrish, A. E., & Beran, M. J. (November, 2015). Anchoring effects in monkey magnitude judgments. Poster presented at the annual meeting of the Society for Judgment and Decision Making, Chicago, IL.

Parrish. A. E., Brosnan, S. F., & Beran, M. J. (November, 2015). Do you see what I see? A comparative investigation of the Delbouef illusion in humans and monkeys. Poster presented at the 56th annual meeting of the Psychonomic Society, Chicago, IL.

Agrillo, C, Parrish, A. E., & Beran, M. J. (May, 2015). Zollner illusion in rhesus monkeys (Macaca mulatta). Poster presented at the 27th annual convention of the Association for Psychological Science, New York.

Beran, M. J., Perdue, B. M., Smith, J. D., Futch, S., Evans, T. A., & Parrish, A. E. (May, 2015). Confidence judgments by chimpanzees during computerized memory tests. Poster presented at the 27th annual convention of the Association for Psychological Science, New York.

Beran, M. J., Agrillo, C., & Parrish, A. E. (April, 2015). Do you (mis)see what I (mis)see: Quantitative illusions across species. Paper presented at the 107th annual meeting of the Southern Society for Philosophy and Psychology, New Orleans, LA.

Beran, M. J., Smith, J. D., & Purdue, B. M. (April, 2015). What we (think we) know about why capuchin monkeys don’t seem to know what they know. Paper presented at the 107th annual meeting of the Southern Society for Philosophy and Psychology, New Orleans, LA.

Hrabic, M., Foster, N.Bramlett, J., Perdue, B. M., Beran, M. J., & Williamson, R. (April, 2015). A comparative approach to effective strategy use in delaying gratification. Paper presented at the 107th annual meeting of the Southern Society for Philosophy and Psychology, New Orleans, LA.

Parrish, A. E., Evans, T. A., & Beran, M. J. (April, 2015). Rhesus monkeys fall for the decoy effect in a perceptual discrimination task. Paper presented at the 107th annual meeting of the Southern Society for Philosophy and Psychology, New Orleans, LA.

Hrabic, M., Williamson, R. W., & Beran, M. J. (March, 2015). Children’s use of a model in a delay of gratification task. Poster presented at the biennial meeting of the Society for Research in Child Development, Philadelphia, PA.

Beran, M. J., Evans, T. A., Parrish, A. E., & Perdue, B. M. (November, 2014). Go when you know: Confidence movements by language-trained chimpanzees during computerized testing.  Paper presented at the 55th annual meeting of the Psychonomic Society, Long Beach, CA.

Parrish, A. E., & Beran, M. J. (November, 2014). Rhesus monkeys fall for the decoy effect in a perceptual discrimination task.  Poster presented at the 55th annual meeting of the Psychonomic Society, Long Beach, CA.

Parrish, A. E., & Beran, M. J. (November, 2014). Context counts! Chimpanzees (Pan troglodytes) misperceive food amounts based on presentation style.  Paper presented at the 55th annual Comparative Cognition Society, Long Beach, CA.

Beran, M. J., Evans, T. A., Hopkins, W. D., Addessi, E., & Paglieri, F. (September, 2014). The hybrid delay task and assessments of self-control in capuchins (Sapajus spp.) and chimpanzees (Pan troglodytes). Paper presented at the 37th annual meeting of the American Society of Primatologists, Decatur, GA.

Evans, T. E., & Beran, M. J. (September, 2014). Inhibition and cognitive control in capuchin monkeys (Cebus apella) and rhesus monkeys (Macaca mulatta). Paper presented at the 37th annual meeting of the American Society of Primatologists, Decatur, GA.

Parrish, A. E., & Beran, M. J. (September, 2014). Chimpanzees (Pan troglodytes) misperceive food quantities in certain contexts. Paper presented at the 37th annual meeting of the American Society of Primatologists, Decatur, GA.

Parrish, A. E., & Beran, M. J. (September, 2014). Chimpanzees (Pan troglodytes) misperceive food quantities in certain contexts.  Paper presented at the 37th annual meeting of the American Society of Primatologists, Decatur, GA.

Agrillo, C., Parrish, A .E., & Beran, M. J. (March, 2014). Zöllner illusion in rhesus monkeys (Macaca mulatta).  Paper presented at the 21st Annual International Conference on Comparative Cognition, Melbourne, FL.

Boomer, J., Church, B., Zakrzewski, A., Baum, M., & Smith, J. D. (February, 2014). Chronometrics of action planning by humans and rhesus monkeys. Paper presented at the 106th annual meeting of the Southern Society for Philosophy and Psychology, Charleston, SC.

Zakrzewski, A., Beran, M. J., Church, B., & Smith, J. D. (February, 2014).  Serial ordering and temporally extended reflection during problem solving. Paper presented at the 106th annual meeting of the Southern Society for Philosophy and Psychology, Charleston, SC.

Beran, M. J., Perdue, B. M., Church, B. A, & Smith, J. D. (November, 2013). Differences in uncertainty monitoring by rhesus monkeys (Macaca mulatta) and capuchin monkeys (Cebus apella): It’s not a chance thing.  Paper presented at the 54th annual meeting of the Psychonomic Society, Toronto, Canada.

Parrish, A. E., & Beran, M. J. (November, 2013). Visual nesting of stimuli affects rhesus monkeys’ (Macaca mulatta) quantity judgments in a bisection task.  Poster presented at the 54th annual meeting of the Psychonomic Society, Toronto, Canada.

Parrish, A. E., Perdue, B. M., Evans, T. A., & Beran, M. J. (November, 2013). Chimpanzees (Pan troglodytes) transfer tokens with social partners to accumulate rewards in a self-control task. Paper presented at the Fall Meeting of the Comparative Cognition Society, Toronto, Canada.
[Winner – APA Division 3’s award for best presentation at the Comparative Cognition Society meeting]

Parrish, A. E., & Beran, M. J. (October, 2013). The Delboeuf illusion in food portion judgments by chimpanzees (Pan troglodytes). Paper presented at the Association for Consumer Research meeting, Chicago, IL.

Agrillo, C., Parrish, A .E., & Beran, M. J. (September, 2013). Zöllner illusion in non-human primates.  Paper presented at the Italian Psychological Association, Rome, Italy.

Beran, M. J., Perdue, B. M., Parrish, A. E., & Evans, T. A. (August, 2013). Humans and nonhuman primates show similar skill in estimating uncertain outcomes during quantity judgments. Paper presented at Behaviour 2013, a joint meeting of the 33rd International Ethological Conference and the Association for the Study of Animal Behaviour, Newcastle, United Kingdom.

Evans, T. A., Perdue, B. M., & Beran, M. J. (August, 2013). Planning to remember:  Prospective memory in language-trained chimpanzees (Pan troglodytes). Paper presented at Behaviour 2013, a joint meeting of the 33rd International Ethological Conference and the Association for the Study of Animal Behaviour, Newcastle, United Kingdom.

Perdue, B. M., Evans, T. A., Bramlett, J. L., & Beran, M. J. (August, 2013). Waiting for what comes later: Capuchin monkeys show self-control even for nonvisible delayed rewards. Paper presented at Behaviour 2013, a joint meeting of the 33rd International Ethological Conference and the Association for the Study of Animal Behaviour, Newcastle, United Kingdom.

Talbot, C. F., Leverett, K., Mayo, l., Stoinski, T., Beran, M. J., & Brosnan, S. F. (July, 2013). Facial discrimination in nonhuman primates. Poster presented at the 50th Annual Conference of the Animal Behavior Society, Boulder, CO.

Beran, M. J. (June, 2013). Keeping track of what went where: Chimpanzees (Pan troglodytes) accurately judge concurrently accumulating quantities.  Paper presented at the 36th annual meeting of the American Society of Primatologists, San Juan, Puerto Rico.

Brosnan, S. F., Beran, M. J., Wilson, B. J., & Parrish, A. E. (June, 2013). Strategic responding by rhesus monkeys (Macaca mulatta) and humans (Homo sapiens) to variable simulated opponents in a coordination game. Paper presented at the 36th annual meeting of the American Society of Primatologists, San Juan, Puerto Rico.

Heimbauer, L. A., Beran, M. J., & Owren, M. J. (June, 2013). Cognitive restoration of time-reversed speech by a chimpanzee (Pan troglodytes). Paper presented at the 36th annual meeting of the American Society of Primatologists, San Juan, Puerto Rico.

Parrish, A. E., Perdue, B. M., Evans, T. A., & Beran, M. J. (June, 2013). Chimpanzees (Pan troglodytes) transfer token to accumulate rewards in a self-control task. Paper presented at the 36th annual meeting of the American Society of Primatologists, San Juan, Puerto Rico.
[Finalist – Outstanding Student Paper competition]

Perdue, B., Gonsiorowski, A., Beran, M., Evans, T., & Williamson, R.  (April, 2013).  Prospective memory and delay of gratification in 3-year-old children.  Poster presented at the biennial meeting of the Society for Research in Child Development, Philadelphia, PA.

Beran, M. J., Perdue, B. M., Parrish, A. E., & Evans, T. A. (March, 2013).  Do social conditions affect capuchin monkeys’ estimations during quantity judgments?  Paper presented at the 59th annual meeting of the Southeastern Psychological Association, Atlanta, GA.

Parrish, A. E., Brosnan, S. F., & Wilson. B. J. (March, 2013). Rhesus monkeys strategically respond to variable partner play in a coordination game.  Poster presented at the 59th annual meeting of the Southeastern Psychological Association, Atlanta, GA.

Price, S. A., Beran, M. J., Wilson, B. J., & Brosnan, S. F. (March, 2013). Responses to an anti-coordination game in capuchin monkeys (Cebus apella).  Paper presented at the 59th annual meeting of the Southeastern Psychological Association, Atlanta, GA.

Bramlett, J., Perdue, B. M., Evans, T. A., & Beran, M. J. (February, 2013).  This too shall pass: A rotating reward tray shows delay of gratification in capuchin monkeys.  Paper presented at the 105th annual meeting of the Southern Society for Philosophy and Psychology, Austin, TX.

Evans, T. A., Perdue, B. M., Parrish, A. E., Beran, M. J. (February, 2013).  The question of capuchin monkey self-control: What are we really asking?  Paper presented at the 105th annual meeting of the Southern Society for Philosophy and Psychology, Austin, TX.

Heimbauer, L. A., Beran, M. J., & Owren, M. J. (February, 2013).  Evidence for cognitive restoration of time-reversed speech by a chimpanzee (Pan troglodytes).  Paper presented at the 105th annual meeting of the Southern Society for Philosophy and Psychology, Austin, TX.