1.3.2 Theory Of Planned Behavior

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1.3.2 Theory of Planned Behaviour (Ajzen, 1985)
Theory of Planned Behaviour (Ajzen, 1985) proposes that behaviour is determined by behavioural intention, which in turn is a function of the individual’s attitude toward the act, the subjective norms and perceived behavioural control.
➢ Attitude consists of individual’s positive or negative feeling about performing a targeted behaviour (Ajzen and Fishbein, 1975).

➢ Subjective norm refers to the person 's perception that most people who are important to him or her think he should or should not perform the behavior in question (Ajzen and Fishbein, 1975).

➢ Perceived behavioural control is defined as the perceived ease or difficulty of performing the behaviour (Ajzen and Fishbein, 1975).

TPB has
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Moon and Kin (2001) extended the Technology Acceptance Model to explain the users’ acceptance of World-Wide-Web context. Lin et al. (2007) extended Technology Acceptance Model to clarity the e-stock users’ behavioral intention. Chen and Chen (2009) re-examined the Technology Acceptance Model to understand the automotive telematics users’ usage intention. Stern et al. (2008) proposed a revised Technology Acceptance Model to investigate the consumers’ acceptance of online auctions. Serenko et al. (2007) modified Technology Acceptance Model to assess user acceptance of interface agents in daily work applications. Chen et al. (2009) proposed an integrated model including Technology Acceptance Model, Theory of Planned Behavior, and Technology Readiness to explain the users’ adoption of self-service…show more content…
➢ Trialability is the degree to which an innovation may be experimented with on a limited basis.

➢ Observability is the degree to which the results of an innovation are visible to others.
Unified Theory of Acceptance and Use of Technology (UTAUT) (Venkatesh, Morris, Davis and Davis, 2003) holds that four key constructs: performance expectancy, effort expectancy, social influence facilitating conditions; being the first three direct determinants of usage intention and behavior, and the fourth a direct determinant of use behavior. Gender, age, experience, and voluntariness of use are posited to moderate the impact of the four key constructs on usage intention and behavior.
➢ Performance expectancy is the degree to which an individual believes that using the system will help him or her to attain gains in job performance.

➢ Effort expectancy is the degree of ease associated with the use of the system.

➢ Facilitating condition is the degree to which an individual believes that an organizational and technical infrastructure exists to support use of the

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