Theories | Before adoption | Adoption decision | After decision |
---|---|---|---|
Diffusion of Innovation Theory | • Knowledge • Persuasion • Characteristics of the decision-making unit • Perceived characteristics of the innovation • Communication channels | • Decision • Adoption • Rejection • Communication channels | • Implementation • Confirmation • Continued adoption • Later adoption • Discontinuance • Continued rejection |
Technical/Technology Adoption/acceptance Model (final version 1996) | • External variable • Perceived usefulness • Perceived ease of use | • Behavioral intention | • Usage behavior |
Extended Technology Adoption Model 2 | Subjective Norm • Image • Job relevance • Output quality • Result demonstrability • Perceived usefulness • Perceived ease of use | • Intention to use | • Usage behavior |
Unified Theory of Acceptance and Use of Technology | • Performance expectancy • Effort expectancy • Social influence • Facilitating condition • Gender • Age • Experience • Voluntariness of use | • Behavioral intention | • Actual system use |
Theory of Reasoned Action | • Attitude towards act or behavior • Subjective norm | • Behavioral intention | • Behavior |
Theory of Planned Behaviour | • Attitude towards act or behavior subjective norm perceived behavior control | • Behavioral intention | • Behavior |
The Model of PC Utilization | • Long-term consequences • Affect towards use • Social factors • Facilitating conditions • Complexity • Job-fit | • PC utilization |  |
The Motivation Model | • Extrinsic motivation (perceived usefulness, perceived ease of use, and subjective norm) • Intrinsic motivation (if performing an activity leads to a feeling of pleasure and results in satisfaction for the individual) |  | • Behavior |
The Social Cognitive Theory | • Self-efficacy (the judgments of how well one can execute courses of action required to deal with prospective situations) • Affect (positive contribution) • Anxiety (negative contribution) | • Expectations of outcome (personal as well as performance-related gains) | • Behavior |