Product adoption · Empirical survey study using structural equation modeling to compare direct and mediated effects.
The Mediation of External Variables in the Technology Acceptance Model
Information Systems Research · 2006
Summary
External variables influenced usage largely through perceived usefulness and ease of use, supporting mediation rather than treating external variables as direct usage drivers.
For your marketing
Possible founder application
Use it to shape a local channel or message test; account for audience, timing and attribution limits before reallocating budget.
Reported result
What the study found
External variables influenced usage largely through perceived usefulness and ease of use, supporting mediation rather than treating external variables as direct usage drivers.
Research question
What the authors investigated
How do external variables enter TAM—directly or through usefulness/ease-of-use beliefs?
Design
Empirical survey study using structural equation modeling to compare direct and mediated effects.
Sample and setting
Information-system users in an organizational usage context.
Scope and transfer
Limitations to keep in view
Single survey context and self-reported usage make causal mediation and consumer-SaaS generalization uncertain.
Research sources
INFORMS DOI landing page identifies the article and its empirical mediation test. Direct publisher-page retrieval was recorded on 2026-10-09; this profile uses publisher metadata/abstract and does not claim independent review of unavailable full text.