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BACKGROUND: Multidisciplinary teams (MDT) formulate expert informed treatment recommendations for people with cancer. We set out to examine how the factors proposed by the functional perspective of group decision making (DM), that is, interaction process, internal factors (factors emanating from within the group such as group size), external circumstances (factors coming from the outside of the team), and case-complexity affect the quality of MDT decision making. METHODS: This was a cross-sectional observational study. Three cancer MDTs were recruited with 44 members overall and 30 of their weekly meetings filmed. Validated observational instruments were used to measure quality of DM, interactions, and complexity of 822 case discussions. RESULTS: The full regression model with the variables proposed by the functional perspective was significant, R2  = 0.52, F(20, 801) = 43.47, P 

Original publication




Journal article


Cancer Med

Publication Date





7083 - 7099


cancer, cancer multidisciplinary team meetings, decision making, multidisciplinary teams, Attitude of Health Personnel, Clinical Decision-Making, Cognition, Cross-Sectional Studies, England, Female, Group Processes, Health Knowledge, Attitudes, Practice, Humans, Male, Neoplasms, Oncologists, Patient Care Team, Social Behavior, Time Factors, Workload