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	1.22	169.5	28.5	0.71	91	25	0.57
2	1.79	221	17	0.86	102	12	0.79
3	-2.18	8	252	-0.94	4	108	-0.93
4	2.34	271.5	2	0.99	111	4	0.93
5	2.34	272	2.5	0.98	110	5	0.91
6	2.01	244	8.5	0.93	106	11	0.81
7	-1.55	25	205	-0.78	16	100	-0.72
8	-1.49	19.5	183.5	-0.81	21	89	-0.62
9	0.38	106.5	63	0.26	69	46	0.2
10	0.72	135	62.5	0.37	68	33	0.35
11	-1.16	32.5	160.5	-0.66	25	85	-0.55
12	-1.13	22	149	-0.74	22	90	-0.61
13	0.21	99	78.5	0.12	54	45	0.09
14	-0.36	78	119.5	-0.21	48	67	-0.17
15	0.89	141	47.5	0.5	76	29	0.45
16	-1.18	42	168.5	-0.6	24	83	-0.55
17	-1.93	11	221.5	-0.91	8	101	-0.85
18	1.42	199.5	34.5	0.71	93	23	0.6
19	-0.53	62.5	121.5	-0.32	39	73	-0.3
20	0.15	103.5	86	0.09	61	52	0.08
21	2.18	260.5	6	0.95	113	4	0.93
22	0.44	107.5	58.5	0.3	75	37	0.34
23	2.04	246.5	9.5	0.93	109	7	0.88
24	2.13	257	7.5	0.94	112	5	0.91
25	1.25	169.5	27.5	0.72	93	21	0.63
26	0.49	112	56	0.33	76	38	0.33
27	0.73	140.5	56	0.43	81	34	0.41
28	0.61	129	60.5	0.36	74	39	0.31
29	1.87	220.5	14.5	0.88	101	9	0.84
30	1.88	229.5	9	0.92	107	10	0.83
31	1.37	178	17.5	0.82	100	17	0.71
32	0.41	104	57	0.29	74	42	0.28
33	1.92	228	3.5	0.97	110	7	0.88
34	1.23	161.5	18	0.8	101	16	0.73
35	2.07	242.5	2.5	0.98	111	5	0.91
36	2.23	262.5	2	0.98	113	4	0.93
37	1.99	239	6.5	0.95	110	7	0.88
38	2.29	269.5	2	0.99	113	4	0.93
39	2.21	260.5	2	0.98	113	4	0.93
40	1.92	227	2.5	0.98	112	5	0.91
41	2.22	262.5	3	0.98	113	4	0.93
42	0.91	145	38.5	0.58	88	29	0.5
43	1.1	161.5	33.5	0.66	91	25	0.57
44	1.66	207.5	13	0.88	105	12	0.79
45	1.98	235.5	4	0.97	111	6	0.9
46	1.65	205.5	13	0.88	105	12	0.79
47	2.12	247	3.5	0.97	110	5	0.91
48	2.17	255	3	0.98	112	4	0.93
49	2.17	254	2	0.98	112	4	0.93
50	2.04	240.5	2	0.98	113	4	0.93
51	1.76	215	8.5	0.92	106	11	0.81
52	2.19	259	2.5	0.98	112	5	0.91

Pearson correlations of survey scores (and p-values)
	mean	(Ps-Ns)/(Ps+Ns)	(Pc-Nc)/(Pc+Nc)
mean	1 (0)	0.989 (0)	0.993 (0)
(Ps-Ns)/(Ps+Ns)	0.989 (0)	1 (0)	0.998 (0)
(Pc-Nc)/(Pc+Nc)	0.993 (0)	0.998 (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)	0.911 (0)	0.918 (0)
(Ps-Ns)/(Ps+Ns)	0.911 (0)	1 (0)	0.942 (0)
(Pc-Nc)/(Pc+Nc)	0.918 (0)	0.942 (0)	1 (0)