Development of Public Administration Research with a Bibliometric Analysis

Table 7

Wilcoxon rank test for proportions of three types of authorship.

Variable	Negative ranks		Positive ranks		Ties		Z	Asymp.Sig (2-tailed)
	N	Mean	N	Mean	N	Mean
R_PIC-t_PIC	16	9.56	3	12.33	0	0	-2.334	0.02
R_PNC-t_PNC	11	10.18	8	9.75	0	0	-0.684	0.494
R_PNS-t_PNS	9	11.89	10	8.3	0	0	-0.483	0.629