Usability Evaluation Model for Biometric System considering Privacy Concern Based on MCDM Model

Table 11

Weights of criteria and total usability of biometric systems.

	Weighting by ANP		Usability evaluation by SAW
	Local weight	Global; weights	Fingerprint recognition system	Iris; recognition system	Face; recognition system
Effectiveness	0.165	0.159	3.566	3.066	3.245
Efficiency	0.152		3.962	2.321	2.557
Anthropometry-fit	0.128	0.111	3.019	3.151	3.019
Accessibility	0.103		2.302	2.566	2.349
Affordance	0.101		2.358	2.623	2.698
Privacy concern	0.205	0.176	2.122	2.368	1.830
Satisfaction	0.146		2.679	2.425	2.594
Total score	-	-	2.879	2.631	2.579

Example for SAW (Simple Additive Weighting):
Calculating the total usability score of fingerprint recognition system:
0.1653.566+0.1523.962+0.1283.019+0.1032.302+0.1012.358+0.2052.122+0.1462.679=2.879