王輝
[摘 要]本文主要采用了模糊識別的方法對學(xué)生綜合素質(zhì)測評的各項(xiàng)成績之間的相互影響程度進(jìn)行了計(jì)算,為同學(xué)們?nèi)绾稳娴陌l(fā)展自我,提高自己的綜合測評成績提供了建議。
[關(guān)鍵詞]綜合素質(zhì) 測評 德育 實(shí)踐 指標(biāo) 模糊識別
中圖分類號:G40-051 文獻(xiàn)標(biāo)識碼:A 文章編號:1009-914X(2016)15-0114-02
現(xiàn)在很多高校都采用綜合素質(zhì)測評的方法對在校生的綜合表現(xiàn)做出評價(jià)。例如筆者所在學(xué)校,采用的就是綜合測評成績=學(xué)習(xí)成績 60%+德育成績 20%+實(shí)踐成績 20%的方法。學(xué)習(xí)成績主要是學(xué)生個(gè)人每學(xué)期所有考試科目成績的平均分;德育成績指學(xué)生在出勤、衛(wèi)生、內(nèi)務(wù)等方面的分?jǐn)?shù),他主要反映了學(xué)生個(gè)人的學(xué)習(xí)、生活習(xí)慣;實(shí)踐成績來自于學(xué)生參加社團(tuán)、班級、學(xué)院、社會(huì)活動(dòng)以及獲獎(jiǎng)情況,屬于業(yè)余生活范疇。通過觀察學(xué)生綜合測評成績的統(tǒng)計(jì)結(jié)果,發(fā)現(xiàn)其各分項(xiàng)指標(biāo)之間以及分項(xiàng)指標(biāo)與總指標(biāo)之間都存在一定的關(guān)聯(lián)?,F(xiàn)以本校某班為例,以模糊識別的方式進(jìn)行說明。本校某班級2014-2015學(xué)年第一學(xué)期學(xué)生綜合素質(zhì)測評數(shù)據(jù)表:
兩個(gè)模糊集、之間的接近程度可以用貼近度函數(shù)來描述,
距離貼近度:。
下面通過計(jì)算全班27位同學(xué)對應(yīng)的4個(gè)綜合素質(zhì)測評指標(biāo)之間的貼近度,來分析各綜合素質(zhì)評價(jià)指標(biāo)之間相關(guān)程度的大小。首先27位同學(xué)對應(yīng)的4個(gè)綜合素質(zhì)評價(jià)指標(biāo)的相對隸屬度值經(jīng)過歸一化處理后得到:
(學(xué)習(xí)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(shí)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(jì)算結(jié)果見下表,
各綜合素質(zhì)評價(jià)指標(biāo)之間的相關(guān)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(rèn)為最貼近的兩個(gè)模糊集具有緊密的相關(guān)關(guān)系。從數(shù)據(jù)可以看出,具有良好的生活、學(xué)習(xí)習(xí)慣,自律性高的同學(xué)通常學(xué)習(xí)成績也較好。因?yàn)閷W(xué)習(xí)成績在總測評中占的比重最高,所以學(xué)習(xí)成績好的同學(xué)通常總測評也高。而擁有較好習(xí)慣的同學(xué)其總成績也往往很好。從數(shù)據(jù)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(xué)習(xí)以外的活動(dòng)會(huì)影響到學(xué)習(xí)成績,從而影響到總測評,而學(xué)習(xí)成績好的同學(xué)也往往不太喜歡參與到其他活動(dòng)中,但是這些同學(xué)中其實(shí)不乏存在一些有潛力的同學(xué),可以鼓勵(lì)他們抽出一部分精力豐富自己的課余生活。
參考文獻(xiàn):
[1] 劉合香.模糊數(shù)學(xué)理論及其應(yīng)用[M].北京:科學(xué)出版社,2012.
[2] 羅承忠.模糊集引論(上下冊)[M].北京:北京師范大學(xué)出版社,1989.