Performance Expectancy (PE) is defined as “the degree to which an individual believes that using the Information System (IS) will help him to attain in job performance” (Venkatesh et al., 2003 p. 447).

Effort Expectancy (EE) has been explained as “the degree of ease associated with the use of the system” (Venkatesh et al., 2003, p. 450).

Facilitating Conditions (FC) is described as “the degree to which an individual considers that an organization and technical infrastructure exists to support the use of the system” (Venkatesh et al., 2003, p. 453).

Social Influence (SI) has been defined as “the extent to which an individual perceives that important others believe he or she should use the new system” (Venkatesh et al., 2003, p. 450).

Behavioural Intention (BI) refers to “a person's subjective. Probability that he will perform some behavior” (Fishbein and Ajzen, 1975).

Attitude (ATT) An individual's positive or negative feelings about performing the target behaviour (Davis et al., 1989; Taylor and Todd, 1995).