Table 2.

Characteristics of the aspects of the Unified Theory of Acceptance of Use of Technology (Venkatesh et al., 2003)⁴⁰.

The four main aspects of the UTAUT
Performance expectancy	characterizes the user’s confidence that using technology will benefit his work performance.
Effort expectancy	represents a user’s beliefs of how easy it is to use the system.
Social influence	describes how much the user feels that significant others believe that they should use the technology.
Facilitating conditions	represents the degree to which the user believes that there exists organizational and technical support to use the system.
Regulating factors
Gender
Age
Experience	the user´s familiarity with the system, is thought to affect effort expectancy, social influence and facilitating conditions.
Voluntariness of use	which clarifies whether the system is mandatory or voluntary, is proposed to impact social influence.