Andrew H Van de Ven

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BACKGROUND The many randomized trials of the collaborative care model for improving depression in primary care have not described the implementation and maintenance of this model. This paper reports how and the degree to which collaborative care process changes were implemented and maintained for the 75 primary care clinics participating in the DIAMOND(More)
PURPOSE Scale-up and spread of evidence-based practices is one of the most important challenges facing health care. We tested whether a statewide initiative, Depression Improvement Across Minnesota-Offering a New Direction (DIAMOND), to implement the collaborative care model for depression in 75 primary care clinics resulted in patient outcome improvements(More)
A theory was developed on the creation, growth, and decline of relationships among organizations and was tested, using a longitudinal study of 95 dyadic relationships among child care and health organizations in Texas. Using LISREL V, the test of the theory showed that substantial revision of the model was required to explain the data adequately. When the(More)
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