Observational modeling effects for movement dynamics and movement outcome measures across differing task constraints: A meta-analysis
Ashford, Derek, Bennett, Simon J., & Davids, Keith W. (2006) Observational modeling effects for movement dynamics and movement outcome measures across differing task constraints: A meta-analysis. Journal of Motor Behavior, 38(3), pp. 185-205.
A meta-analysis was conducted on the observational modeling (OM) literature to quantify overall between-participant treatment effects obtained when acquiring movement behaviors. To evaluate predictions of the Visual Perception theoretical perspective on OM, effects were obtained and reported separately for movement dynamics (MD) and movement outcome (MO) measures. Overall mean OM treatment effect was = 0.77 for MD, and = 0.17 for MO measures. For both measures these effects reflected a significant advantage of OM over practice-only control conditions. Importantly, the magnitude of effects obtained was far stronger for MD compared to MO measures, confirming a distinctive response to OM during motor learning. The advantage for MD measures over OM measures was replicated for different types of task. OM was particularly beneficial for serial tasks ( = MD = 1.62 and MO = 0.61). There were slightly reduced effects for continuous tasks ( = MD = 1.01 and MO = 0.51), and smaller to medium sized effects for discrete tasks ( = MD = 0.56 and MO = 0.10). These findings are in line with tenets of the Visual Perception perspective for observational modeling, which suggests demonstrations primarily convey relative motions required to approximate modeled movement behaviors.
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|Item Type:||Journal Article|
|Keywords:||Observational Modeling, Movement Dynamics, Movement Coordination, Movement Outcome, Task Constraints, Meta, analysis|
|Subjects:||Australian and New Zealand Standard Research Classification > MEDICAL AND HEALTH SCIENCES (110000)|
|Divisions:||Current > QUT Faculties and Divisions > Faculty of Health|
Current > Institutes > Institute of Health and Biomedical Innovation
|Copyright Owner:||Copyright 2006 Heldref Publications|
|Copyright Statement:||Reproduced in accordance with the copyright policy of the publisher.|
|Deposited On:||28 Aug 2006|
|Last Modified:||29 Feb 2012 23:28|
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