Table 9 The weights of the second -level... | Emerald Publishing

Table 9

The weights of the second -level index

Second level index	Subjective weigh	Relative weight	Objective weight	Combined weight
Alarm information of CTC system	0.292	0.221	0.295	0.270
The usability of CTC system	0.335	0.438	0.495	0.432
The interface display of CTC system	0.373	0.341	0.210	0.298
Interface information exchange between the CTC system and RBC	0.225	0.227	0.143	0.197
Interface information exchange between the CTC system and TSRS	0.126	0.260	0.119	0.175
Interface information exchange between the CTC system and CBI	0.359	0.282	0.244	0.288
Interface information exchange between the CTC system and TCC	0.176	0.141	0.256	0.191
Interface information exchange between the CTC system and GSM-R	0.114	0.09	0.238	0.149
Maintenance and updates of the CTC system	0.169	0.120	0.168	0.153
Reliability of CTC system equipment	0.267	0.376	0.294	0.313
CTC system software reliability	0.326	0.193	0.310	0.277
Internal information exchange within CTC system	0.238	0.311	0.228	0.257

Second level index	Subjective weigh	Relative weight	Objective weight	Combined weight
Alarm information of CTC system	0.292	0.221	0.295	0.270
The usability of CTC system	0.335	0.438	0.495	0.432
The interface display of CTC system	0.373	0.341	0.210	0.298
Interface information exchange between the CTC system and RBC	0.225	0.227	0.143	0.197
Interface information exchange between the CTC system and TSRS	0.126	0.260	0.119	0.175
Interface information exchange between the CTC system and CBI	0.359	0.282	0.244	0.288
Interface information exchange between the CTC system and TCC	0.176	0.141	0.256	0.191
Interface information exchange between the CTC system and GSM-R	0.114	0.09	0.238	0.149
Maintenance and updates of the CTC system	0.169	0.120	0.168	0.153
Reliability of CTC system equipment	0.267	0.376	0.294	0.313
CTC system software reliability	0.326	0.193	0.310	0.277
Internal information exchange within CTC system	0.238	0.311	0.228	0.257

Source(s): Authors’ own work