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	0.07	91	80	0.06	69	56	0.1
2	-0.08	90	104	-0.07	63	77	-0.1
3	1.41	240	5	0.96	152	4	0.95
4	-0.25	39	81	-0.35	33	72	-0.37
5	1.51	260	7	0.95	151	7	0.91
6	1.43	246	8	0.94	148	7	0.91
7	-0.37	40	102	-0.44	35	85	-0.42
8	-0.79	43	171	-0.6	36	101	-0.47
9	1.33	226	2	0.98	155	2	0.97
10	1.55	258	1	0.99	156	1	0.99
11	1.39	235	3	0.97	159	3	0.96
12	0.99	167	2	0.98	135	1	0.99
13	-0.62	8	109	-0.86	7	104	-0.87
14	0.2	42	22	0.31	33	17	0.32
15	-0.12	6	26	-0.62	6	24	-0.6
16	0.4	76	12	0.73	70	11	0.73
17	1.33	229	8	0.93	144	7	0.91
18	1.34	226	3	0.97	153	2	0.97
19	1.03	180	9	0.9	128	6	0.91
20	0.7	138	21	0.74	109	18	0.72
21	1.32	227	6	0.95	152	5	0.94
22	0.35	90	33	0.46	80	27	0.5
23	0.27	78	36	0.37	64	32	0.33
24	0.7	140	24	0.71	113	23	0.66
25	0.84	148	7	0.91	121	7	0.89
26	0.95	161	4	0.95	139	4	0.94
27	1.23	216	8	0.93	146	7	0.91
28	0.73	126	4	0.94	118	3	0.95
29	1.33	218	2	0.98	154	2	0.97
30	1.35	227	0	1	158	0	1
31	1	121	12	0.82	83	11	0.77
32	0.95	159	2	0.98	143	2	0.97
33	1.2	200	1	0.99	148	1	0.99
34	0.32	53	2	0.93	47	2	0.92

Pearson correlations of survey scores (and p-values)
	mean	(Ps-Ns)/(Ps+Ns)	(Pc-Nc)/(Pc+Nc)
mean	1 (0)	0.912 (0)	0.906 (0)
(Ps-Ns)/(Ps+Ns)	0.912 (0)	1 (0)	0.999 (0)
(Pc-Nc)/(Pc+Nc)	0.906 (0)	0.999 (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)	0.697 (0)	0.653 (0)
(Ps-Ns)/(Ps+Ns)	0.697 (0)	1 (0)	0.952 (0)
(Pc-Nc)/(Pc+Nc)	0.653 (0)	0.952 (0)	1 (0)