摘要: Adoption research often draws on frameworks such as the Technology Acceptance Model and Theory of Planned Behaviour to explain an individual's intention use information technology (IT). Collectively these models suggest that (IT) is determined by attitude, subjective norms perceived behavioural control. However, prior attitude-behaviour link returns inconsistent results. To address this inconsistency, study looks at role involvement (i.e. level interest in a technology) explaining IT, case, mobile Internet phone. The survey results showed was stronger predictor when compared with other determinants (e.g. enjoyment, control) while attitude not significant. findings therefore usefulness where may fail do so.