Guidance

Food and water proficiency testing schemes: scoring systems and statistics

A guide to the scoring systems and statistics used for the PHE proficiency testing (PT) schemes for food and water microbiology.

Documents

Food and water PT schemes: scoring systems and statistics

Request an accessible format.
If you use assistive technology (such as a screen reader) and need a version of this document in a more accessible format, please email publications@phe.gov.uk. Please tell us what format you need. It will help us if you say what assistive technology you use.

Details

This guide is designed to help participants understand the scoring systems and statistics used for assessing results reported for the Public Health England (PHE) food and water microbiology PT schemes.

PHE proficiency testing is also known as external quality assessment (EQA).

Updates to this page

Published 19 July 2014
Last updated 5 July 2018 + show all updates
  1. Updated recent 'Food and water PT schemes: scoring systems and statistics'.

  2. Updated with recent file 'Food and water PT schemes: scoring systems and statistics'.

  3. Updated food and water PT schemes: scoring systems and statistics.

  4. Updated food and water PT schemes: scoring systems and statistics.

  5. Rules added for shellfish scheme tube combinations.

  6. Food and water PT schemes: scoring systems and statistics document reviewed

  7. First published.

Sign up for emails or print this page