The Importance of Cognitive and Mental Factors on Prediction of Job Performance in Chinese High-Speed Railway Dispatchers

Table 2

Descriptive statistics of all variables (n = 70).

Scale	Mean	SD	Cronbach’s alphas	Category 1 (%)	Category 2 (%)
Age (years)	34.76	3.25	—
Dispatching experience	4.51	2.22	—
Education	—	—	—	82	18
Marriage	—	—	—	89	11
ACC of MOT	0.61	0.15	—
RT of MOT (ms)	1288.04	280.18	—
ACC of WM	0.67	0.22	—
RT of WM (ms)	743.39	200.29	—
Depression	42.75	11.57	0.757
Anxiety	42.84	11.95	0.82
Perceived stress	18.7	7.51	0.84
Social support	55.56	16.91	0.88
Overall evaluation	5.33	2.31	—
Delay time (min)	243.31	55.87	—