Research Article

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

Table 2

Explanation of criteria.

Criteria & evaluation criteriaDescriptions

Technical aspect
 T1: EffectivenessThe perceived accuracy and completeness with which users have
achieved specified goals
 T2: EfficiencyThe perceived mental or physical resources expended in relation to the accuracy
and completeness with which users achieve goals
Ergonomic aspect
 E1: Anthropometry-fitThe perceived degree of considering inherent characteristics for better fitness
between device and targeted users
 E2: AccessibilityThe perceived attribute which a product or system can be used by people with the
widest range of characteristics and capabilities to achieve a specified goal in a
specified context of use
 E3: AffordanceThe perceived attribute of an object that allows people to know how to use it
Psychological aspect
 P1: privacy concernThe perceived threat of the consequences about problems and how this affects
their behaviour
 P2: SatisfactionThe perceived degree to which the product meets the users’ overall
expectations, a subjective response of enjoyment, comfort, or frustration