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Verification of a dynamical systems ...

McCabe, D. Rozena.

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Verification of a dynamical systems approach to skill acquisition.

紀錄類型:	書目-語言資料,印刷品 : Monograph/item
正題名/作者:	Verification of a dynamical systems approach to skill acquisition./
作者:	McCabe, D. Rozena.
面頁冊數:	201 p.
附註:	Source: Dissertation Abstracts International, Volume: 59-07, Section: A, page: 2419.
Contained By:	Dissertation Abstracts International59-07A.
標題:	Education, Physical. -
電子資源:	http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=9900362
ISBN:	0591973154

Verification of a dynamical systems approach to skill acquisition.
McCabe, D. Rozena.

Verification of a dynamical systems approach to skill acquisition. - 201 p.

Source: Dissertation Abstracts International, Volume: 59-07, Section: A, page: 2419.

Thesis (Ph.D.)--Texas Woman's University, 1998.

The purpose of this study was to analyze Vereijken, Whiting, and Beek's (1992) approach to mathematically modeling slalom-like movements on a ski simulator and to determine if kinematic and kinetic measures supported the mathematical model. Novice male participants (

ISBN: 0591973154Subjects--Topical Terms:

1018000
Education, Physical.

Verification of a dynamical systems approach to skill acquisition.
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245 1 0 $a Verification of a dynamical systems approach to skill acquisition.
300 $a 201 p.
500 $a Source: Dissertation Abstracts International, Volume: 59-07, Section: A, page: 2419.
502 $a Thesis (Ph.D.)--Texas Woman's University, 1998.
520 $a The purpose of this study was to analyze Vereijken, Whiting, and Beek's (1992) approach to mathematically modeling slalom-like movements on a ski simulator and to determine if kinematic and kinetic measures supported the mathematical model. Novice male participants ( $n =7$) performed 20 trials on 7 consecutive days. Kinematic data obtained via a PEAK5 motion analysis system were used to determine the relationship between the motion of the ski simulator platform $\varepsilon$ and the following performer variables: (a) height of center of mass (COM) h, (b) angle of rotation of COM $\alpha$, and (c) resultant vector $\gamma$. The correlation between $\varepsilon$ and h yielded low to moderate negative values, $\varepsilon$ and $\alpha$ yielded moderate to high positive correlations, and $\varepsilon$ and $\gamma$ yielded moderate to high negative correlations. Qualitative analysis of h graphed against $\varepsilon$ for each individual suggested four participants developed a strategy in which there was no discernable relationship between h and $\varepsilon$, whereas three participants developed a strategy that demonstrated a stronger relationship between the two variables. Kinetic data were obtained via an F-Scan pressure measurement device. Mean force F remained relatively constant across 7 days of testing, but tangential for $f (sin\ \alpha)$ progressively increased. Qualitative analysis of F plotted against $\varepsilon$, and of $f (sin\ \alpha)$ plotted against $\varepsilon$, indicated a more stable pattern of force production developed across trials. Data supported the following conclusions: (a) the mathematical model proposed by Vereijken, Whiting, and Beek is not tenable in its present form; (b) there were two strategies adopted by the participants with regard to the height of COM, h; (c) a slight phase lag is evident in the application of tangential force, which suggests the variable of interest is angle of rotation of COM, $\alpha,$ and not height of COM, h; and (d) acquisition of slalom-like movements on the ski simulator involves the development of more consistent anticipation timing.
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