Table 1.

Mean, standard deviation, and correlations.

	Mean	SD	1	2	3	4	5	6	7
(1) Gender	0.71	0.46
(2) Years after obtaining Ph.D.	17.53	10.8	0.01
(3) Proportion of first authored papers	0.42	0.34	-0.01	0.01
(4) Proportion of last authored papers	0.27	0.30	-0.01	0.07	-0.51∗∗
(5) Tie strength	0.61	0.28	0.12∗	0.03	0.27∗∗	-0.08
(6) Tie stability	0.20	0.26	0.13	0.03	-0.03	0.00	0.45∗∗
(7) Structural holes	0.55	0.30	-0.02	0.16	0.04	0.15	0.10	-0.01
(8) Team knowledge creation	12.61	13.74	0.16	-0.15	-0.05	-0.00	0.27∗∗	0.27∗∗	-0.60∗∗

N = 111, ^∗p < 0.05 (two-tailed test), ^∗∗p < 0.01 (two-tailed test).