Evaluation in Participation in Proficiency Testing Exercises

Name: Evaluation in Participation in Proficiency Testing Exercises
SKU: 27478
Availability: InStock

305,00 €

In this course, we guide you on how to make the most of your participation in interlaboratory comparison exercises, while also analyzing in detail the required reference documentation, including its specific requirements (NT-03 and G-ENAC-14). We cover both the evaluation of the results obtained and the assessment of the providers involved in these exercises.

Mode

E-Learning
In-person - Streaming

Date

Clear

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Category: Scheduled Courses

COURSE PROGRAM

1. INTRODUCTION

- Interlaboratory comparison tests
- ISO 17025 requirements
  - NT-03: ENAC Policy on Interlaboratory Comparisons
  - G-ENAC-14: Guide on Participation in Interlaboratory Comparison Programs
  - Other documents

2. STATISTICAL CONCEPTS

- Introduction
- Distribution models
  - Measures of central tendency (central parameter µ)
  - Measures of dispersion (central parameter σ)
- Distribution models
  - Normal distribution
  - Distributions in Microbiology
- Estimators of the distribution model
- Values and estimators in proficiency tests
  - Z-score
  - En number

3. GENERAL CHARACTERISTICS OF INTERLABORATORY COMPARISON TESTS

- Definition of the experiment
- Definition of laboratories
- Acquisition of test samples
- Acceptance of the experiment
- Execution of tests
- Receipt of results and reporting

4. PLANNING PARTICIPATION IN PROFICIENCY TESTS AND PROVIDER SELECTION

- Test families
- Frequency of participation in proficiency tests
- Criteria for selecting the exercise provider
- Evaluation of exercises with few participants
  - Scenario 1: Assigned value determined from an external source
  - Scenario 2: Assigned value based on participant results
  - Scenario 3: Organizer has not determined the assigned value for the exercise

5. EVALUATION OF THE PROFICIENCY TEST

- Provider evaluation
  - Test item
  - Materials and transport
  - Instructions
  - Statistics
  - Report
- Round evaluation
- Result evaluation
  - Z-score and Z’-score
  - En number
- Assessment of proficiency tests in Microbiology
  - Qualitative tests
  - Plate count tests