Against the background of a recent investigation into the internal reliability and the validity of the Belbin Team Role Self‐perception Inventory, two linked studies were undertaken. In the first, test‐retest reliabilities of the Belbin self‐perception inventory were measured and found to be unsatisfactory; in the second, correlations with team roles forecast on the basis of 16PF data were attempted and, with the exception of one team role, no substantial correlations were established. Provides support for the use of 16PF as the preferred method for estimating team role preferences rather than the Belbin self‐perception inventory data.

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The Presser criteria are widely applied; however, the case involved a 14-year-old boy with intellectual disability. Greater awareness of Presser's narrative assists clinicians providing expert evidence regarding fitness to plead for adolescents and persons with intellectual disability.

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