Table A1 Correlation analysis Rating...

Table A1

Correlation analysis

		Rating	BING_N	AFINN_N	NRC_N	LIU_N	BING	NRC	AFINN	Liu	No of words	Price	Count of helpfulness votes
Rating	Pearson Cor	1	0.337^**	0.288^**	0.235^**	0.346^**	0.412^**	0.204^**	0.395^**	0.363^**	−0.074^**	−0.249^**	−0.027
Rating	Sig. (2-tailed)		0.000	0.000	0.000	0.000	0.000	0.000	0.000	0.000	0.000	0.000	0.071
BING_N	Pearson Cor	0.337^**	1	0.843^**	0.581^**	0.979^**	0.149^**	−0.023	0.085^**	0.083^**	−0.268^**	−0.120^**	−0.071^**
BING_N	Sig. (2-tailed)	0.000		0.000	0.000	0.000	0.000	0.138	0.000	0.000	0.000	0.000	0.000
AFINN_N	Pearson Cor	0.288^**	0.843^**	1	0.603^**	0.832^**	0.045^**	−0.039^*	0.107^**	0.005	−0.241^**	−0.095^**	−0.062^**
AFINN_N	Sig. (2-tailed)	0.000	0.000		0.000	0.000	0.003	0.011	0.000	0.763	0.000	0.000	0.000
NRC_N	Pearson Cor	0.235^**	0.581^**	0.603^**	1	0.563^**	0.094^**	0.196^**	0.097^**	0.053^**	−0.169^**	−0.068^**	−0.043^**
NRC_N	Sig. (2-tailed)	0.000	0.000	0.000		0.000	0.000	0.000	0.000	0.000	0.000	0.000	0.005
LIU_N	Pearson Cor	0.346^**	0.979^**	0.832^**	0.563^**	1	0.163^**	−0.013	0.099^**	0.119^**	−0.261^**	−0.120^**	−0.071^**
LIU_N	Sig. (2-tailed)	0.000	0.000	0.000	0.000		0.000	0.404	0.000	0.000	0.000	0.000	0.000
BING	Pearson Cor	0.412^**	0.149^**	0.045^**	0.094^**	0.163^**	1	0.646^**	0.812^**	0.934^**	0.353^**	−0.172^**	0.078^**
BING	Sig. (2-tailed)	0.000	0.000	0.003	0.000	0.000		0.000	0.000	0.000	0.000	0.000	0.000
NRC	Pearson Cor	0.204^**	−0.023	−0.039^*	0.196^**	−0.013	0.646^**	1	0.639^**	0.650^**	0.502^**	−0.064^**	0.117^**
NRC	Sig. (2-tailed)	0.000	0.138	0.011	0.000	0.404	0.000		0.000	0.000	0.000	0.000	0.000
AFINN	Pearson Cor	0.395^**	0.085^**	0.107^**	0.097^**	0.099^**	0.812^**	0.639^**	1	0.787^**	0.431^**	−0.138^**	0.094^**
AFINN	Sig. (2-tailed)	0.000	0.000	0.000	0.000	0.000	0.000	0.000		0.000	0.000	0.000	0.000
Liu	Pearson Cor	0.363^**	0.083^**	0.005	0.053^**	0.119^**	0.934^**	0.650^**	0.787^**	1	0.475^**	−0.153^**	0.106^**
Liu	Sig. (2-tailed)	0.000	0.000	0.763	0.000	0.000	0.000	0.000	0.000		0.000	0.000	0.000
N_words	Pearson Cor	−0.074^**	−0.268^**	−0.241^**	−0.169^**	−0.261^**	0.353^**	0.502^**	0.431^**	0.475^**	1	0.108^**	0.259^**
N_words	Sig. (2-tailed)	0.000	0.000	0.000	0.000	0.000	0.000	0.000	0.000	0.000		0.000	0.000
Price	Pearson Cor	−0.249^**	−0.120^**	−0.095^**	−0.068^**	−0.120^**	−0.172^**	−0.064^**	−0.138^**	−0.153^**	0.108^**	1	0.047^**
	Sig. (2-tailed)	0.000	0.000	0.000	0.000	0.000	0.000	0.000	0.000	0.000	0.000		0.002
	N	4,311	4,311	4,311	4,311	4,311	4,311	4,311	4,311	4,311	4,311	4,311	4,311
Count of helpfulness votes	Pearson Cor	−0.027	−0.071^**	−0.062^**	−0.043^**	−0.071^**	0.078^**	0.117^**	0.094^**	0.106^**	0.259^**	0.047^**	1
	Sig. (2-tailed)	0.071	0.000	0.000	0.005	0.000	0.000	0.000	0.000	0.000	0.000	0.002
	N	4,311	4,311	4,311	4,311	4,311	4,311	4,311	4,311	4,311	4,311	4,311	4,311

		Rating	BING_N	AFINN_N	NRC_N	LIU_N	BING	NRC	AFINN	Liu	No of words	Price	Count of helpfulness votes
Rating	Pearson Cor	1	0.337^**	0.288^**	0.235^**	0.346^**	0.412^**	0.204^**	0.395^**	0.363^**	−0.074^**	−0.249^**	−0.027
Rating	Sig. (2-tailed)		0.000	0.000	0.000	0.000	0.000	0.000	0.000	0.000	0.000	0.000	0.071
BING_N	Pearson Cor	0.337^**	1	0.843^**	0.581^**	0.979^**	0.149^**	−0.023	0.085^**	0.083^**	−0.268^**	−0.120^**	−0.071^**
BING_N	Sig. (2-tailed)	0.000		0.000	0.000	0.000	0.000	0.138	0.000	0.000	0.000	0.000	0.000
AFINN_N	Pearson Cor	0.288^**	0.843^**	1	0.603^**	0.832^**	0.045^**	−0.039^*	0.107^**	0.005	−0.241^**	−0.095^**	−0.062^**
AFINN_N	Sig. (2-tailed)	0.000	0.000		0.000	0.000	0.003	0.011	0.000	0.763	0.000	0.000	0.000
NRC_N	Pearson Cor	0.235^**	0.581^**	0.603^**	1	0.563^**	0.094^**	0.196^**	0.097^**	0.053^**	−0.169^**	−0.068^**	−0.043^**
NRC_N	Sig. (2-tailed)	0.000	0.000	0.000		0.000	0.000	0.000	0.000	0.000	0.000	0.000	0.005
LIU_N	Pearson Cor	0.346^**	0.979^**	0.832^**	0.563^**	1	0.163^**	−0.013	0.099^**	0.119^**	−0.261^**	−0.120^**	−0.071^**
LIU_N	Sig. (2-tailed)	0.000	0.000	0.000	0.000		0.000	0.404	0.000	0.000	0.000	0.000	0.000
BING	Pearson Cor	0.412^**	0.149^**	0.045^**	0.094^**	0.163^**	1	0.646^**	0.812^**	0.934^**	0.353^**	−0.172^**	0.078^**
BING	Sig. (2-tailed)	0.000	0.000	0.003	0.000	0.000		0.000	0.000	0.000	0.000	0.000	0.000
NRC	Pearson Cor	0.204^**	−0.023	−0.039^*	0.196^**	−0.013	0.646^**	1	0.639^**	0.650^**	0.502^**	−0.064^**	0.117^**
NRC	Sig. (2-tailed)	0.000	0.138	0.011	0.000	0.404	0.000		0.000	0.000	0.000	0.000	0.000
AFINN	Pearson Cor	0.395^**	0.085^**	0.107^**	0.097^**	0.099^**	0.812^**	0.639^**	1	0.787^**	0.431^**	−0.138^**	0.094^**
AFINN	Sig. (2-tailed)	0.000	0.000	0.000	0.000	0.000	0.000	0.000		0.000	0.000	0.000	0.000
Liu	Pearson Cor	0.363^**	0.083^**	0.005	0.053^**	0.119^**	0.934^**	0.650^**	0.787^**	1	0.475^**	−0.153^**	0.106^**
Liu	Sig. (2-tailed)	0.000	0.000	0.763	0.000	0.000	0.000	0.000	0.000		0.000	0.000	0.000
N_words	Pearson Cor	−0.074^**	−0.268^**	−0.241^**	−0.169^**	−0.261^**	0.353^**	0.502^**	0.431^**	0.475^**	1	0.108^**	0.259^**
N_words	Sig. (2-tailed)	0.000	0.000	0.000	0.000	0.000	0.000	0.000	0.000	0.000		0.000	0.000
Price	Pearson Cor	−0.249^**	−0.120^**	−0.095^**	−0.068^**	−0.120^**	−0.172^**	−0.064^**	−0.138^**	−0.153^**	0.108^**	1	0.047^**
	Sig. (2-tailed)	0.000	0.000	0.000	0.000	0.000	0.000	0.000	0.000	0.000	0.000		0.002
	N	4,311	4,311	4,311	4,311	4,311	4,311	4,311	4,311	4,311	4,311	4,311	4,311
Count of helpfulness votes	Pearson Cor	−0.027	−0.071^**	−0.062^**	−0.043^**	−0.071^**	0.078^**	0.117^**	0.094^**	0.106^**	0.259^**	0.047^**	1
	Sig. (2-tailed)	0.071	0.000	0.000	0.005	0.000	0.000	0.000	0.000	0.000	0.000	0.002
	N	4,311	4,311	4,311	4,311	4,311	4,311	4,311	4,311	4,311	4,311	4,311	4,311

Note(s): **. Correlation is significant at the 0.01 level (2-tailed)

*. Correlation is significant at the 0.05 level (2-tailed)

BING, NRC, AFINN, LIU refer to sentiment values relying on a specific methodology (e.g. AFINN methodology). BING_N is sentiment value per word, similarly holds for other sentiment calculation methods, with _N denoting calculation of sentiment per word

Source(s): Authors’ own

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