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加入亂數尾數對階梯狀分配原始測驗成績之常態評分研究

A Study of Normalizeing Stair Shaped Test Record by Adding Randamize Decimal

摘要


本研究的目的是解決運動技能測驗評分時因多人同分的階梯狀成績分配而無法評量出常態分配之得分。本研究將一抽樣之班級樣本以對照組、於原始成績加上亂數尾數之實驗組一及於其百分機率加上亂數尾數之實驗組二等,使用Excel軟體的norminv及percentrank函數計算並使用Excel的外掛軟體Analyse-it將三組得分以Kolmogorov-Smirnov考驗是否符合常態分配。經研究後發現只有實驗組一的得分分配通過常態分配的統計考驗,顯示當運動技能測驗產生階梯狀分配的運動測驗成績時,於原始測驗成績直接加入亂數尾數再以Excel的norminv及percentrank函數計算處理,是較可行的方法。

關鍵字

亂數 常態分配 運動測驗 評量 給分

並列摘要


The purpose of this study was to solve the problem of the students who are in same grade in normalizing physical education tests. We normalized the class's grade test in three ways. One was with original data (OD). Another was to add each original data with random decimal (RD). The other was to add random decimal on each original data's percentile range (PR). And we use Microsoft Company's Excel program to calculate them and tests of normal distribution.The results indicated that only RD make normal distribution. In conclusion, we can normalize students in the same grade of physical education test by adding each original data with random decimal within Excel program.

並列關鍵字

physical education evaluate random scoring

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