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	-0.97	2	144	-0.97	2	142	-0.97
2	-0.88	52	181	-0.55	41	90	-0.37
3	-1.38	36	237	-0.74	22	110	-0.67
4	-0.53	65	142	-0.37	48	73	-0.21
5	-0.74	57	164	-0.48	39	84	-0.37
6	-0.88	71	199	-0.47	41	93	-0.39
7	0.39	141	85	0.25	80	48	0.25
8	0.03	117	112	0.02	74	56	0.14
9	-0.59	67	152	-0.39	47	81	-0.27
10	-0.27	86	126	-0.19	58	71	-0.1
11	0.09	121	108	0.06	77	55	0.17
12	0.05	102	94	0.04	70	55	0.12
13	-0.59	64	150	-0.4	41	83	-0.34
14	-0.15	73	95	-0.13	52	55	-0.03
15	-1.09	20	178	-0.8	16	93	-0.71

Pearson correlations of survey scores (and p-values)
	mean	(Ps-Ns)/(Ps+Ns)	(Pc-Nc)/(Pc+Nc)
mean	1 (0)	0.953 (0)	0.927 (0)
(Ps-Ns)/(Ps+Ns)	0.953 (0)	1 (0)	0.99 (0)
(Pc-Nc)/(Pc+Nc)	0.927 (0)	0.99 (0)	1 (0)

Kendall tau rank correlations of survey scores (and p-values)
	mean	(Ps-Ns)/(Ps+Ns)	(Pc-Nc)/(Pc+Nc)
mean	1 (0)	0.914 (0)	0.908 (0)
(Ps-Ns)/(Ps+Ns)	0.914 (0)	1 (0)	0.938 (0)
(Pc-Nc)/(Pc+Nc)	0.908 (0)	0.938 (0)	1 (0)