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	1.33	229	8	0.93	144	7	0.91
2	1.34	226	3	0.97	153	2	0.97
3	1.03	180	9	0.9	128	6	0.91
4	0.7	138	21	0.74	109	18	0.72

Pearson correlations of survey scores (and p-values)
	mean	(Ps-Ns)/(Ps+Ns)	(Pc-Nc)/(Pc+Nc)
mean	1 (0)	0.957 (0.043)	0.915 (0.085)
(Ps-Ns)/(Ps+Ns)	0.957 (0.043)	1 (0)	0.993 (0.007)
(Pc-Nc)/(Pc+Nc)	0.915 (0.085)	0.993 (0.007)	1 (0)

Kendall tau rank correlations of survey scores (and p-values)
	mean	(Ps-Ns)/(Ps+Ns)	(Pc-Nc)/(Pc+Nc)
mean	1 (0.083)	1 (0.083)	0.913 (0.071)
(Ps-Ns)/(Ps+Ns)	1 (0.083)	1 (0.083)	0.913 (0.071)
(Pc-Nc)/(Pc+Nc)	0.913 (0.071)	0.913 (0.071)	1 (0.056)