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About This Item

 

Full Description

1.1 This practice provides statistical methodology for conducting equivalence testing on numerical data from two sources to determine if their true means or variances differ by no more than predetermined limits.

1.2 Applications include (1) equivalence testing for bias against an accepted reference value, (2) determining means equivalence of two test methods, test apparatus, instruments, reagent sources, or operators within a laboratory or equivalence of two laboratories in a method transfer, and (3) determining non-inferiority of a modified test procedure versus a current test procedure with respect to a performance characteristic.

1.3 The guidance in this standard applies to experiments conducted on a single material at a given level of the test result or on multiple materials covering a range of selected test results.

1.4 Guidance is given for determining the amount of data required for an equivalence trial. The control of risks associated with the equivalence decision is discussed.

1.5 The values stated in SI units are to be regarded as standard. No other units of measurement are included in this standard.

1.6 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety, health, and environmental practices and determine the applicability of regulatory limitations prior to use.

1.7 This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.

 

Document History

  1. ASTM E2935-21


    Standard Practice for Evaluating Equivalence of Two Testing Processes

    • Most Recent
  2. ASTM E2935-20e1


    Standard Practice for Conducting Equivalence Tests for Comparing Testing Processes

    • Historical Version
  3. ASTM E2935-20

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    Standard Practice for Conducting Equivalence Tests for Comparing Testing Processes

    • Historical Version
  4. ASTM E2935-17


    Standard Practice for Conducting Equivalence Testing in Laboratory Applications

    • Historical Version
  5. ASTM E2935-16


    Standard Practice for Conducting Equivalence Testing in Laboratory Applications

    • Historical Version
  6. ASTM E2935-15


    Standard Practice for Conducting Equivalence Testing in Laboratory Applications

    • Historical Version
  7. ASTM E2935-14


    Standard Practice for Conducting Equivalence Testing in Laboratory Applications

    • Historical Version
  8. ASTM E2935-13


    Standard Practice for Conducting Equivalence Testing in Laboratory Applications

    • Historical Version