A Theory Building Study of Enterprise Architecture Practices and Benefits
Ralph Foorthuis, Marlies van Steenbergen, Sjaak Brinkkemper, Wiel, Bruls

TL;DR
This study develops a statistical model to explain how enterprise architecture practices contribute to organizational benefits through intermediate outcomes like compliance and insight, based on empirical survey data.
Contribution
It introduces a new PLS model synthesizing existing theory and empirically demonstrates the mechanisms linking EA practices to benefits.
Findings
EA benefits are mediated by compliance and architectural insight.
Key practices impacting benefits include compliance assessments and knowledge exchange.
Projects benefit less from EA compared to the overall organization.
Abstract
Academics and practitioners have made various claims regarding the benefits that Enterprise Architecture (EA) delivers for both individual projects and the organization as a whole. At the same time, there is a lack of explanatory theory regarding how EA delivers these benefits. Moreover, EA practices and benefits have not been extensively investigated by empirical research, with especially quantitative studies on the topic being few and far between. This paper therefore presents the statistical findings of a theory-building survey study (n=293). The resulting PLS model is a synthesis of current implicit and fragmented theory, and shows how EA practices and intermediate benefits jointly work to help the organization reap benefits for both the organization and its projects. The model shows that EA and EA practices do not deliver benefits directly, but operate through intermediate results,…
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