Table 2

UTUAT systematization of theories and dimensions of technology adoption and use

Theories before UTUATDimensions before UTUATUTUAT systematization
Theory of Reasoned Action (TRA)Attitude toward using technologyNot included
Subjective normSocial influence
Technology acceptance model (TAM) - Technology acceptance model 2 (TAM2)Perceived usefulnessPerformance expectancy
Perceived ease of useEffort expectancy
Subjective normSocial influence
Motivational Model (MM)Intrinsic motivationNot included
Extrinsic motivationPerformance expectancy
Theory of planned behavior (TPB)Attitude toward using technologyNot included
Subjective normSocial influence
Perceived behavioral controlFacilitating conditions
Combined TAM and TPBPerceived usefulnessPerformance expectancy
Attitude toward using technologyNot included
Subjective normSocial influence
Model of PC utilization (MPCU)Job-fitPerformance expectancy
ComplexityEffort expectancy
Long-term consequencesNot included
Affect toward useNot included
Social factorsSocial influence
Facilitating conditionsFacilitating conditions
Innovation Diffusion Theory (IDT)Relative advantagePerformance expectancy
Ease of useEffort expectancy
Result demonstrabilityNot included
TrialabilityNot included
VisibilityNot included
ImageSocial influence
CompatibilityFacilitating conditions
VoluntarinessNot included
Socio-Cognitive Theory (SCT)Outcome expectationsPerformance expectancy
Self-efficacyNot included
AffectNot included
AnxietyNot included

Note(s): Not included: dimensions that do not increase the variance explained by the individual acceptance of technology

Source(s): Authors’ work

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