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Effects of Joint Task Performance on Interpersonal Postural Coordination

RAMENZONI, VERONICA C.
http://rave.ohiolink.edu/etdc/view?acc_num=ucin1211213619

Abstract Details

2008, PhD, University of Cincinnati, Arts and Sciences : Psychology.
In recent years, research in the field of social interactions has focused on the explorationof the coordinative structures that substantiate the performance of joint tasks (Shockley, Santana, and Fowler, 2003; Marsh, Richardson, Baron, and Schmidt, 2006). This project explored the degree and stability of coordinative structures at the joint (interpersonal coordination) and individual (intrapersonal coordination) scales for the performance of a supra-postural task. In detail, this project investigated whether interpersonal and intrapersonal coordination are distinctly affected by changes in supra-postural task constraints, and whether reliable findings for individual performance of supra-postural tasks can be extended to the performance of joint tasks. Participants performed a joint task in which one participant held a stick to which a circle was attached at the top (holding task), while the other held a pointer through the circle without touching its borders (pointing task). Experiment 1 investigated whether interpersonal and intrapersonal coordination, and individual segment variability varied depending on task difficulty (circle size) and the role performed during the task. Results showed that as the difficulty of the task was increased, interpersonal and intrapersonal coordination increased in degree and stability, and individual postural sway variability decreased in the medial-lateral (ML) sway direction. Experiment 2 employed the same basic paradigm, but participants were asked to perform the task alone (single task) and with another person (joint task). Participants showed increased shared interpersonal coordination patterns, increased intrapersonal coordination, and more postural sway variability for joint compared to single performance. Task difficulty effects were found for joint but not single performance replicating the results of Experiment 1. Data obtained in Experiment 2 was analyzed using Principle Component Analysis (PCA), which indicated that, in general, joint performance involved fewer coordination modes than single performance. Overall, the results of this project suggest that both joint and individual coordinative structures are affected by the nature of the task performed and the constraints it places on joint and individual performance.
Michael Riley, a (Advisor)
Kevin Shockley (Other)
Guy Van Orden (Other)
Thomas Polgert (Other)
97 p.
Psychology
Coordination; Joint Action; Social Interaction

Recommended Citations

Citations

  • RAMENZONI, V. C. (2008). Effects of Joint Task Performance on Interpersonal Postural Coordination [Doctoral dissertation, University of Cincinnati]. OhioLINK Electronic Theses and Dissertations Center. http://rave.ohiolink.edu/etdc/view?acc_num=ucin1211213619

    APA Style (7th edition)

  • RAMENZONI, VERONICA. Effects of Joint Task Performance on Interpersonal Postural Coordination. 2008. University of Cincinnati, Doctoral dissertation. OhioLINK Electronic Theses and Dissertations Center, http://rave.ohiolink.edu/etdc/view?acc_num=ucin1211213619.

    MLA Style (8th edition)

  • RAMENZONI, VERONICA. "Effects of Joint Task Performance on Interpersonal Postural Coordination." Doctoral dissertation, University of Cincinnati, 2008. http://rave.ohiolink.edu/etdc/view?acc_num=ucin1211213619

    Chicago Manual of Style (17th edition)

ucin1211213619
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© 2008, all rights reserved.
This open access ETD is published by University of Cincinnati and OhioLINK.