SAT Question 4d1a9c0d: Words In Context answer and explanation

English - Words In Context - Fill In Blank Single Word
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Following the principles of community-based participatory research, tribal nations and research institutions are equal partners in health studies conducted on reservations. A collaboration between the Crow Tribe and Montana State University ­­­­______ this model: tribal citizens worked alongside scientists to design the methodology and continue to assist in data collection.
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Difficulty:Easy
Which choice completes the text with the most logical and precise word or phrase?