本垒与挡球距离对校际棒球运动员自信心的影响

D. Sorrells, Kyle Kempf
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摘要

本研究的目的是确定本垒板与后卫之间的距离是否会影响校际棒球投手在投球时的自信水平。零假设(H0)是棒球投手的自信水平在本垒到后卫之间的距离大于25英尺时没有差异。研究假设(H1)是棒球投手的自信水平在本垒到后卫的距离大于25英尺时存在统计学上显著的差异。这项研究的参与者是11名棒球投手(N=11),他们都是美国同一个校际棒球队的成员。研究小组得出的结论是,当挡板距离本垒板超过25英尺时,参与者的自信心总体上略有下降,但自信水平的下降似乎很小。当距离大于25英尺时,自信心的下降在最佳投球中有统计学意义,而在第二好的投球中没有统计学意义。
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Effects of Distance between Home Plate and the Backstop on Self-confidence of Intercollegiate Baseball Players
The purpose of the study was to determine whether the distance between home plate and the backstop may impact the levels of self-confidence of intercollegiate baseball pitchers when throwing their pitches. The null hypothesis (H0) is that there is no difference in baseball pitchers' levels of self-confidence when the distance between home plate to the backstop is greater than 25 feet. The research hypothesis (H1) is that there is a statistically significant difference in baseball pitchers' levels of self-confidence when the distance between home plate to the backstop is greater than 25 feet. The participants in the study were eleven (N=11) baseball pitchers who were members of the same intercollegiate baseball team in the United States. The research team concludes that there was a slight decrease in self-confidence overall when the backstop was more than 25 feet away from home plate, but the decline in the level of self-confidence for the participants seemed to be minor. The decline in self-confidence with a distance of greater than 25 feet was statistically significant for the best pitch but not statistically significant for the second best pitch.
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