Memory & Cognition

, Volume 38, Issue 3, pp 255–264 | Cite as

When two is too many: Collaborative encoding impairs memory

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Abstract

Humans routinely encode and retrieve experiences in interactive, collaborative contexts. Yet much of what we know about human memory comes from research on individuals working in isolation. Some recent research has examined collaboration during retrieval, but not much is known about how collaboration during encoding affects memory. We examined this issue. Participants created episodes by elaborating on study materials alone or collaboratively, and they later performed a cued-recall task alone, with the study partner, or with a different partner (Experiment 1). Collaborative encoding impaired recall. This counterintuitive outcome was found for both individual and group recall, even when the same partners collaborated across encoding and retrieval. This impairment was significantly reduced, but persisted, when the encoding instructions encouraged free-flowing collaboration (Experiment 2). Thus, the collaborative-encoding deficit is robust in nature and likely occurs because collaborative encoding produces less effective cues for later retrieval.

References

  1. Andersson, J., & Rönnberg, J. (1995). Recall suffers from collaboration: Joint recall effects of friendship and task complexity. Applied Cognitive Psychology, 9, 199–211. doi:10.1002/acp.2350090303CrossRefGoogle Scholar
  2. Andersson, J., & Rönnberg, J. (1997). Cued memory collaboration: Effects of friendship and type of retrieval cue. European Journal of Cognitive Psychology, 9, 273–287. doi:10.1080/713752558CrossRefGoogle Scholar
  3. Baddeley, A. [D.] (1986). Working memory. Oxford: Oxford University Press, Clarendon Press.Google Scholar
  4. Barnier, A. J., & Sutton, J. (2008). From individual to collective memory: Theoretical and empirical perspectives. Memory, 16, 177–182. doi:10.1080/09541440701828274CrossRefPubMedGoogle Scholar
  5. Basden, B. H., Basden, D. R., Bryner, S., & Thomas, R. L., III (1997). A comparison of group and individual remembering: Does collaboration disrupt retrieval strategies? Journal of Experimental Psychology: Learning, Memory, & Cognition, 23, 1176–1189. doi:10.1037/0278-7393.23.5.1176CrossRefGoogle Scholar
  6. Basden, B. H., Basden, D. R., & Henry, S. (2000). Costs and benefits of collaborative remembering. Applied Cognitive Psychology, 14, 497–507. doi:10.1002/1099-0720(200011/12)14:6<497::AID-ACP665>3.0.CO;2-4CrossRefGoogle Scholar
  7. Basden, B. H., Reysen, M. B., & Basden, D. R. (2002). Transmitting false memories in social groups. American Journal of Psychology, 115, 211–231. doi:10.2307/1423436CrossRefPubMedGoogle Scholar
  8. Basden, D. R., & Basden, B. H. (1995). Some tests of the strategy disruption interpretation of part-list cuing inhibition. Journal of Experimental Psychology: Learning, Memory, & Cognition, 21, 1656–1669. doi:10.1037/0278-7393.21.6.1656CrossRefGoogle Scholar
  9. Blumen, H. M., & Rajaram, S. (2008). Influence of re-exposure and retrieval disruption during group collaboration on later individual recall. Memory, 16, 231–244. doi:10.1080/09658210701804495CrossRefPubMedGoogle Scholar
  10. Brown, D. S. (2003). High school biology: A group approach to concept mapping. American Biology Teacher, 65, 192–197.CrossRefGoogle Scholar
  11. Clark, S. E., Hori, A., Putnam, A., & Martin, T. P. (2000). Group collaboration in recognition memory. Journal of Experimental Psychology: Learning, Memory, & Cognition, 26, 1578–1588. doi:10.1037/0278-7393.26.6.1578CrossRefGoogle Scholar
  12. Coman, A., Manier, D., & Hirst, W. (2009). Forgetting the unforgettable through conversation: Socially shared retrieval-induced forgetting of September 11 memories. Psychological Science, 20, 627–633. doi:10.1111/j.1467-9280.2009.02343.xCrossRefPubMedGoogle Scholar
  13. Craik, F. I. M., Govoni, R., Naveh-Benjamin, M., & Anderson, N. D. (1996). The effects of divided attention on encoding and retrieval processes in human memory. Journal of Experimental Psychology: General, 125, 159–180. doi:10.1037/0096-3445.125.2.159CrossRefGoogle Scholar
  14. Cuc, A., Koppel, J., & Hirst, W. (2007). Silence is not golden: A case for socially shared retrieval-induced forgetting. Psychological Science, 18, 727–733. doi:10.1111/j.1467-9280.2007.01967.xCrossRefPubMedGoogle Scholar
  15. Dudukovic, N. M., Marsh, E. J., & Tversky, B. (2004). Telling a story or telling it straight: The effects of entertaining versus accurate retellings on memory. Applied Cognitive Psychology, 18, 125–143. doi:10.1002/acp.953CrossRefGoogle Scholar
  16. Echterhoff, G., Higgins, E. T., & Groll, S. (2005). Audience-tuning effects on memory: The role of shared reality. Journal of Personality & Social Psychology, 89, 257–276. doi:10.1037/0022-3514.89.3.257CrossRefGoogle Scholar
  17. Echterhoff, G., Higgins, E. T., Kopietz, R., & Groll, S. (2008). How communication goals determine when audience tuning biases memory. Journal of Experimental Psychology: General, 137, 3–21. doi:10.1037/0096-3445.137.1.3CrossRefGoogle Scholar
  18. Echterhoff, G., Higgins, E. T., & Levine, J. M. (2009). Shared reality: Experiencing commonality with others’ inner states about the world. Perspectives on Psychological Science, 4, 496–521.CrossRefGoogle Scholar
  19. Finlay, F., Hitch, G. J., & Meudell, P. R. (2000). Mutual inhibition in collaborative recall: Evidence for a retrieval-based account. Journal of Experimental Psychology: Learning, Memory, & Cognition, 26, 1556–1567. doi:10.1037/0278-7393.26.6.1556CrossRefGoogle Scholar
  20. French, L., Garry, M., & Mori, K. (2008). You say tomato? Collaborative remembering leads to more false memories for intimate couples than for strangers. Memory, 16, 262–273. doi:10.1080/ 09658210701801491CrossRefPubMedGoogle Scholar
  21. Gabbert, F., Memon, A., Allan, K., & Wright, D. B. (2004). Say it to my face: Examining the effects of socially encountered misinformation. Legal & Criminological Psychology, 9, 215–227. doi:10.1348/ 1355325041719428CrossRefGoogle Scholar
  22. Gabbert, F., Memon, A., & Wright, D. B. (2006). Memory conformity: Disentangling the steps toward influence during a discussion. Psychonomic Bulletin & Review, 13, 480–485.Google Scholar
  23. Gabbert, F., Memon, A., & Wright, D. B. (2007). I saw it for longer than you: The relationship between perceived encoding duration and memory conformity. Acta Psychologica, 124, 319–331. doi:10.1016/j.actpsy.2006.03.009CrossRefPubMedGoogle Scholar
  24. Gathercole, S. E. (2008). Working memory. In J. H. Byrne (Series Ed.) & H. L. Roediger III (Vol. Ed.), Learning and memory: A comprehensive reference. Vol. 2: Cognitive psychology of memory (pp. 33–51). Amsterdam: Elsevier.Google Scholar
  25. Graf, P., & Schacter, D. L. (1985). Implicit and explicit memory for new associations in normal and amnesic subjects. Journal of Experimental Psychology: Learning, Memory, & Cognition, 11, 501–518. doi:10.1037/0278-7393.11.3.501CrossRefGoogle Scholar
  26. Halbwachs, M. (1980). The collective memory. (F. J. Ditter, Jr. & V. Y. Ditter, Trans.). New York: Harper Row. (Original work published 1950)Google Scholar
  27. Harris, C. B., Paterson, H. M., & Kemp, R. I. (2008). Collaborative recall and collective memory: What happens when we remember together? Memory, 16, 213–230. doi:10.1080/09658210701811862CrossRefPubMedGoogle Scholar
  28. Higgins, E. T., & Rholes, W. S. (1978). “Saying is believing”: Effects of message modification on memory and liking for the person described. Journal of Experimental Social Psychology, 14, 363–378. doi:10.1016/0022-1031(78)90032-xCrossRefGoogle Scholar
  29. Hinsz, V. B., Tindale, R. S., & Vollrath, D. A. (1997). The emerging conceptualization of groups as information processors. Psychological Bulletin, 121, 43–64. doi:10.1037/0033-2909.121.1.43CrossRefPubMedGoogle Scholar
  30. Hirst, W., & Manier, D. (2008). Towards a psychology of collective memory. Memory, 16, 183–200. doi:10.1080/09658210701811912CrossRefPubMedGoogle Scholar
  31. Jenkins, J. J. (1979). Four points to remember: A tetrahedral model of memory experiments. In L. S. Cermak & F. I. M. Craik (Eds.), Levels of processing in human memory (pp. 429–446). Hillsdale, NJ: Erlbaum.Google Scholar
  32. Johansson, N. O., Andersson, J., & Rönnberg, J. (2005). Compensating strategies in collaborative remembering in very old couples. Scandinavian Journal of Psychology, 46, 349–359. doi:10.1111/j.1467-9450.2005.00465.xCrossRefPubMedGoogle Scholar
  33. Karau, S. J., & Williams, K. D. (1993). Social loafing: A meta-analytic review and theoretical integration. Journal of Personality & Social Psychology, 65, 681–706. doi:10.1037/0022-3514.65.4.681CrossRefGoogle Scholar
  34. Krause, U.-M., Stark, R., & Mandl, H. (2009). The effects of cooperative learning and feedback on e-learning in statistics. Learning & Instruction, 19, 158–170. doi:10.1016/j.learninstruc.2008.03.003CrossRefGoogle Scholar
  35. Kwon, S. Y., & Cifuentes, L. (2007). Using computers to individually-generate vs. collaboratively-generate concept maps. Educational Technology & Society, 10, 269–280.Google Scholar
  36. Kwon, S. Y., & Cifuentes, L. (2009). The comparative effect of individually- constructed vs. collaboratively-constructed computer-based concept maps. Computers & Education, 52, 365–375. doi:10.1016/j.compedu.2008.09.012CrossRefGoogle Scholar
  37. Laughlin, P. R., & Sweeney, J. D. (1977). Individual-to-group and group-to-individual transfer in problem solving. Journal of Experimental Psychology: Human Learning & Memory, 3, 246–254. doi:10.1037/0278-7393.3.2.246CrossRefGoogle Scholar
  38. Liang, D. W., Moreland, R., & Argote, L. (1995). Group versus individual training and group performance: The mediating role of transactive memory. Personality & Social Psychology Bulletin, 21, 384–393. doi:10.1177/0146167295214009CrossRefGoogle Scholar
  39. Mäntylä, T., & Nilsson, L.-G. (1983). Are my cues better than your cues? Uniqueness and reconstruction as prerequisites for optimal recall of verbal materials. Scandinavian Journal of Psychology, 24, 303–312. doi:10.1111/j.1467-9450.1983.tb00504.xCrossRefGoogle Scholar
  40. Marsh, E. J. (2007). Retelling is not the same as recalling: Implications for memory. Current Directions in Psychological Science, 16, 16–20. doi:10.1111/j.1467-8721.2007.00467.xCrossRefGoogle Scholar
  41. Marsh, E. J., & Tversky, B. (2004). Spinning the stories of our lives. Applied Cognitive Psychology, 18, 491–503. doi:10.1002/acp.1001CrossRefGoogle Scholar
  42. Meade, M. L., & Roediger, H. L., III (2002). Explorations in the social contagion of memory. Memory & Cognition, 30, 995–1009.Google Scholar
  43. Merckelbach, H., Van Roermund, H., & Candel, I. (2007). Effects of collaborative recall: Denying true information is as powerful as suggesting misinformation. Psychology, Crime & Law, 13, 573–581. doi:10.1080/10683160601160679CrossRefGoogle Scholar
  44. Meudell, P. R., Hitch, G. J., & Kirby, P. (1992). Are two heads better than one? Experimental investigations of the social facilitation of memory. Applied Cognitive Psychology, 6, 525–543. doi:10.1002/ acp.2350060606CrossRefGoogle Scholar
  45. Mulligan, N. W., & Lozito, J. P. (2006). An asymmetry between memory encoding and retrieval: Revelation, generation, and transfer-appropriate processing. Psychological Science, 17, 7–11. doi:10.1111/j.1467-9280.2005.01657.xCrossRefPubMedGoogle Scholar
  46. Nijstad, B. A., & Stroebe, W. (2006). How the group affects the mind: A cognitive model of idea generation in groups. Personality & Social Psychology Review, 10, 186–213. doi:10.1207/s15327957pspr1003_1CrossRefGoogle Scholar
  47. Pasupathi, M., Lucas, S., & Coombs, A. (2002). Conversational functions of autobiographical remembering: Long-married couples talk about conflicts and pleasant topics. Discourse Processes, 34, 163–192. doi:10.1207/s15326950dp3402_3CrossRefGoogle Scholar
  48. Pasupathi, M., Stallworth, L. M., & Murdoch, K. (1998). How what we tell becomes what we know: Listener effects on speakers’ long-term memory for events. Discourse Processes, 26, 1–25.CrossRefGoogle Scholar
  49. Paulus, P. (2000). Groups, teams, and creativity: The creative potential of idea-generating groups. Applied Psychology, 49, 237–262. doi:10.1111/1464-0597.00013CrossRefGoogle Scholar
  50. Peltokorpi, V. (2008). Transactive memory systems. Review of General Psychology, 12, 378–394. doi:10.1037/1089-2680.12.4.378CrossRefGoogle Scholar
  51. Rajaram, S., & Barber, S. J. (2008). Retrieval processes in memory. In J. H. Byrne (Series Ed.) & H. L. Roediger III (Vol. Ed.), Learning and memory: A comprehensive reference. Vol. 2: Cognitive psychology of memory (pp. 261–283). Amsterdam: Elsevier.Google Scholar
  52. Rajaram, S., & Pereira-Pasarin, L. P. (2007). Collaboration can improve individual recognition memory: Evidence from immediate and delayed tests. Psychonomic Bulletin & Review, 14, 95–100.Google Scholar
  53. Reysen, M. B. (2007). The effects of social pressure on false memories. Memory & Cognition, 35, 59–65.Google Scholar
  54. Roediger, H. L., III, Meade, M. L., & Bergman, E. T. (2001). Social contagion of memory. Psychonomic Bulletin & Review, 8, 365–371.Google Scholar
  55. Ross, M., Spencer, S. J., Blatz, C. W., & Restorick, E. (2008). Collaboration reduces the frequency of false memories in older and younger adults. Psychology & Aging, 23, 85–92. doi:10.1037/0882-7974.23.1.85CrossRefGoogle Scholar
  56. Ross, M., Spencer, S. J., Linardatos, L., Lam, K. C. H., & Perunovic, M. (2004). Going shopping and identifying landmarks: Does collaboration improve older people’s memory? Applied Cognitive Psychology, 18, 683–696. doi:10.1002/acp.1023CrossRefGoogle Scholar
  57. Slamecka, N. J. (1969). Testing for associative storage in multitrial free recall. Journal of Experimental Psychology, 81, 557–560. doi:10.1037/ h0027909CrossRefGoogle Scholar
  58. Thorley, C., & Dewhurst, S. A. (2007). Collaborative false recall in the DRM procedure: Effects of group size and group pressure. European Journal of Cognitive Psychology, 19, 867–881. doi:10.1080/09541440600872068CrossRefGoogle Scholar
  59. Tulving, E. (1983). Elements of episodic memory. New York: Oxford University Press.Google Scholar
  60. Tulving, E., & Osler, S. (1968). Effectiveness of retrieval cues in memory for words. Journal of Experimental Psychology, 77, 593–601. doi:10.1037/h0026069CrossRefPubMedGoogle Scholar
  61. Wegner, D. M. (1987). Transactive memory: A contemporary analysis of the group mind. In B. Mullen & G. R. Goethals (Eds.), Theories of group behavior (pp. 185–208). New York: Springer.Google Scholar
  62. Wegner, D. M., Erber, R., & Raymond, P. (1991). Transactive memory in close relationships. Journal of Personality & Social Psychology, 61, 923–929. doi:10.1037/0022-3514.61.6.923CrossRefGoogle Scholar
  63. Weldon, M. S. (2001). Remembering as a social process. In D. L. Medin (Ed.), The psychology of learning and motivation: Advances in research and theory (Vol. 40, pp. 67–120). San Diego: Academic Press.Google Scholar
  64. Weldon, M. S., & Bellinger, K. D. (1997). Collective memory: Collaborative and individual processes in remembering. Journal of Experimental Psychology: Learning, Memory, & Cognition, 23, 1160–1175. doi:10.1037/0278-7393.23.5.1160CrossRefGoogle Scholar
  65. Weldon, M. S., Blair, C., & Huebsch, P. D. (2000). Group remembering: Does social loafing underlie collaborative inhibition? Journal of Experimental Psychology: Learning, Memory, & Cognition, 26, 1568–1577. doi:10.1037/0278-7393.26.6.1568CrossRefGoogle Scholar
  66. Wertsch, J. V. (2002). Voices of collective remembering. Cambridge: Cambridge University Press.CrossRefGoogle Scholar
  67. Wilson, M. (1988). MRC Psycholinguistic Database: Machine-usable dictionary, version 2.00. Behavior Research Methods, Instruments, & Computers, 20, 6–10.Google Scholar
  68. Yuker, H. E. (1955). Group atmosphere and memory. Journal of Abnormal & Social Psychology, 51, 17–23. doi:10.1037/h0046464CrossRefGoogle Scholar

Copyright information

© Psychonomic Society, Inc. 2010

Authors and Affiliations

  • Sarah J. Barber
    • 1
  • Suparna Rajaram
    • 1
  • Arthur Aron
    • 1
  1. 1.Department of PsychologyStony Brook UniversityStony Brook

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