王輝



[摘 要]本文主要采用了模糊識別的方法對學生綜合素質測評的各項成績之間的相互影響程度進行了計算,為同學們如何全面的發展自我,提高自己的綜合測評成績提供了建議。
[關鍵詞]綜合素質 測評 德育 實踐 指標 模糊識別
中圖分類號:G40-051 文獻標識碼:A 文章編號:1009-914X(2016)15-0114-02
現在很多高校都采用綜合素質測評的方法對在校生的綜合表現做出評價。例如筆者所在學校,采用的就是綜合測評成績=學習成績 60%+德育成績 20%+實踐成績 20%的方法。學習成績主要是學生個人每學期所有考試科目成績的平均分;德育成績指學生在出勤、衛生、內務等方面的分數,他主要反映了學生個人的學習、生活習慣;實踐成績來自于學生參加社團、班級、學院、社會活動以及獲獎情況,屬于業余生活范疇。通過觀察學生綜合測評成績的統計結果,發現其各分項指標之間以及分項指標與總指標之間都存在一定的關聯。現以本校某班為例,以模糊識別的方式進行說明。本校某班級2014-2015學年第一學期學生綜合素質測評數據表:
兩個模糊集、之間的接近程度可以用貼近度函數來描述,
距離貼近度:。
下面通過計算全班27位同學對應的4個綜合素質測評指標之間的貼近度,來分析各綜合素質評價指標之間相關程度的大小。首先27位同學對應的4個綜合素質評價指標的相對隸屬度值經過歸一化處理后得到:
(學習成績)=(0.044,0.040,0.043,0.033,0.030,0.028,0.039,0.035,0.032,0.027,0.029,0.046,0.045,0.041,0.037,0.030,0.038,0.026,0.027,0.033,0.036,0.039,0.043,0.034,0.036,0.042,0.031)
(德育成績)=(0.042,0.038,0.044,0.035,0.030,0.040,0.038,0.034,0.034,0.032,0.029,0.043,0.045,0.033,0.046,0.029,0.036,0.028,0.043,0.040,0.037,0.039,0.041,0.032,0.036,0.045,0.031)
(實踐成績)=(0.035,0.034,0.040,0.033,0.036,0.036,0.044,0.031,0.032,0.029,0.042,0.046,0.039,0.032,0.041,0.029,0.038,0.028,0.041,0.045,0.043,0.040,0.034,0.030,0.038,0.043,0.037)
(綜合成績)=(0.043,0.039,0.044,0.034,0.032,0.033,0.041,0.035,0.033,0.029,0.032,0.046,0.045,0.038,0.041,0.030,0.038,0.027,0.034,0.038,0.039,0.040,0.042,0.034,0.037,0.044,0.033)
計算結果見下表,
各綜合素質評價指標之間的相關程度:
由擇近原則可知,模糊集與模糊集,模糊集與模糊集,模糊集與模糊集最貼近。可以認為最貼近的兩個模糊集具有緊密的相關關系。從數據可以看出,具有良好的生活、學習習慣,自律性高的同學通常學習成績也較好。因為學習成績在總測評中占的比重最高,所以學習成績好的同學通常總測評也高。而擁有較好習慣的同學其總成績也往往很好。從數據還可以看出模糊集和模糊集,模糊集和模糊集貼近度較低,從這里也可以看出過多的參加學習以外的活動會影響到學習成績,從而影響到總測評,而學習成績好的同學也往往不太喜歡參與到其他活動中,但是這些同學中其實不乏存在一些有潛力的同學,可以鼓勵他們抽出一部分精力豐富自己的課余生活。
參考文獻:
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[2] 羅承忠.模糊集引論(上下冊)[M].北京:北京師范大學出版社,1989.