The Average Survey Score is converted to an Average Survey Rank, in percentage. This reviews performance of a participant over a 3 year period, compared to their peers. Participants’ scores are ranked top down, with top performers receiving an average survey rank of 100%, down to the bottom performers receiving a score of 0%. Survey non‐participation is excluded from the ranking.
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The Role of External Quality Assurance in Identifying Poor Laboratory Performance(PDF 518 KB)