Summary of survey scores (median of Likert score was subtracted)
Question	mean	Sum of positives (Ps)	Sum of negatives (Ns)	(Ps-Ns)/(Ps+Ns)	Count of positives (Pc)	Count of negatives (Nc)	(Pc-Nc)/(Pc+Nc)
1	-0.21	24	57	-0.41	24	44	-0.29
2	0.09	62	48	0.13	60	39	0.21
3	-0.06	37	46	-0.11	37	40	-0.04
4	0	60	60	0	57	46	0.11
5	-0.17	33	59	-0.28	30	52	-0.27

Pearson correlations of survey scores (and p-values)
	mean	(Ps-Ns)/(Ps+Ns)	(Pc-Nc)/(Pc+Nc)
mean	1 (0)	0.994 (0.001)	0.991 (0.001)
(Ps-Ns)/(Ps+Ns)	0.994 (0.001)	1 (0)	0.981 (0.003)
(Pc-Nc)/(Pc+Nc)	0.991 (0.001)	0.981 (0.003)	1 (0)

Kendall tau rank correlations of survey scores (and p-values)
	mean	(Ps-Ns)/(Ps+Ns)	(Pc-Nc)/(Pc+Nc)
mean	1 (0.017)	1 (0.017)	1 (0.017)
(Ps-Ns)/(Ps+Ns)	1 (0.017)	1 (0.017)	1 (0.017)
(Pc-Nc)/(Pc+Nc)	1 (0.017)	1 (0.017)	1 (0.017)