【摘要】：在Twitter中是否存在情緒傳染現(xiàn)象是社會科學(xué)中一個待解決的問題。首先通過LIWC2007獲取了包含106 641個用戶的Tw itter社交網(wǎng)絡(luò)中所有用戶的情緒時間序列,然后采用一系列的單位根檢驗證明了相關(guān)時間序列的平穩(wěn)性,通過格蘭杰因果檢驗,在預(yù)測用戶情緒值的回歸式中加入了用戶關(guān)注好友過去時間的情緒值作為自變量,并采用統(tǒng)計假設(shè)檢驗的方法證明了該自變量的系數(shù)不為0,從而說明了用戶的情緒會顯著地被其關(guān)注好友過去的情緒所影響,即用戶關(guān)注好友的情緒是用戶情緒的格蘭杰原因。用同樣的方法證明了用戶情緒并不是用戶關(guān)注好友情緒的格蘭杰原因,由于社交選擇現(xiàn)象是一種雙向關(guān)系,所以該結(jié)果是由情緒傳染現(xiàn)象造成的。此外,通過統(tǒng)計分析發(fā)現(xiàn)Twitter中絕大部分單向關(guān)注好友都是非熟人,而絕大部分雙向關(guān)注好友都是熟人。格蘭杰因果檢驗的結(jié)果說明了人們的情緒既會被熟人的情緒所傳染,也會被非熟人的情緒所傳染。
[Abstract]:The existence of emotional contagion in Twitter is a problem to be solved in social science. First, the emotional time series of all users in Tw itter social network including 106,641 users were obtained by LIWC2007. Then, a series of unit root tests were used to prove the smoothness of the related time series, and the Granger causality test was used. In the regression formula for predicting the user's emotional value, the user's emotional value of paying attention to the past time of the friend was added as an independent variable. The statistical hypothesis test is used to prove that the coefficient of the independent variable is not 0, which shows that the user's emotion will be significantly affected by his concern about the past emotions of his friends, that is, the user's concern for his friends is the Granger cause of user's emotion. The same method is used to prove that user emotion is not the Granger reason why users pay attention to their friends' emotions. Because the phenomenon of social choice is a two-way relationship, the result is caused by the phenomenon of emotional contagion. In addition, through the statistical analysis, it is found that most of the one-way friends in Twitter are non-acquaintances, while the majority of two-way attention friends are acquaintances. The result of Granger causality test shows that people's emotions can be infected by both familiar and unknown emotions.
【作者單位】： 福州大學(xué)數(shù)學(xué)與計算機(jī)科學(xué)學(xué)院;
【基金】：國家自然科學(xué)基金青年項目(61300105) 教育部博士點基金聯(lián)合資助項目(2012351410010) 福建省科技重大專項項目(2013H6012) 福州市科技計劃項目(2012-G-113,2013-PT-45)
【分類號】：G206;B842.6

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