Concepedia

Proficiency Testing

Proficiency Testing is a formal evaluation method used in measurement science to assess the performance of laboratories or measurement systems by comparing their measurement results against those of other participants or reference values within a standardized interlaboratory comparison framework.

1.3K

Publications

63.7K

Citations

4.4K

Authors

1.7K

Institutions

Publications per year

2017–2026

263

Variants

EqaExternal Quality AssessmentInterlaboratory Comparison

Parents

Publications

1.3K

Harmonized guidelines for single-laboratory validation of methods of analysis (IUPAC Technical Report)

Michael Thompson, Stephen L. R. Ellison, Roger Wood · Pure and Applied Chemistry · 2002 · 2.4K citations · Full text

, , +13

Second Language Development in Writing: Measures of Fluency, Accuracy and Complexity

Kathleen M. Broussard, Kate Wolfe-Quintero, Shunji Inagaki et al. · TESOL Quarterly · 2001 · 935 citations

, , +17

ACCENT, INTELLIGIBILITY, AND COMPREHENSIBILITY

Tracey M. Derwing, Murray J. Munro · Studies in Second Language Acquisition · 1997 · 879 citations

, , +15

Bilingualism is not a categorical variable: Interaction between language proficiency and usage

Gigi Luk, Ellen Bialystok · Journal of Cognitive Psychology · 2013 · 850 citations · Full text

, , +17

Preliminary Evidence for the Reliability and Validity of a Foreign Language Anxiety Scale

Elaine K. Horwitz · TESOL Quarterly · 1986 · 804 citations

, , +17

1–5 of 1.3K

Authors

4.4K

  1. MT
    Michael Thompson

    Birkbeck, University of London, United Kingdom

    13 publications · 3.8K citations

    13

    h-index

  2. RW
    Roger Wood

    Food Standards Agency, United Kingdom

    8 publications · 3.5K citations

    8

    h-index

  3. JO
    James O. Westgard

    University of Wisconsin–Madison, United States

    8 publications · 436 citations

    8

    h-index

  4. RH
    Ronald H. Laessig

    University of Wisconsin–Madison, United States

    8 publications · 148 citations

    8

    h-index

  5. RJ
    Ronald J. Elin

    National Institutes of Health Clinical Center, United States

    7 publications · 204 citations

    7

    h-index

1–5 of 4.4K

Institutions

1.7K

  1. Educational Testing Service

    Princeton, United States

    19 h-index

    53 publications

    2.5K citations

  2. College of American Pathologists

    Northfield, United States

    17 h-index

    94 publications

    2.7K citations

  3. University of Toronto

    Toronto, Canada

    16 h-index

    66 publications

    2.5K citations

  4. University of Wisconsin–Madison

    Madison, United States

    15 h-index

    42 publications

    2.1K citations

  5. Centers for Disease Control and Prevention

    Atlanta, United States

    15 h-index

    44 publications

    1.5K citations

  6. Stanford University

    Stanford, United States

    15 h-index

    60 publications

    2.1K citations

  7. The University of Melbourne

    Melbourne, Australia

    14 h-index

    27 publications

    2.8K citations

  8. Harvard University

    Cambridge, United States

    14 h-index

    36 publications

    2.3K citations

1–8 of 1.7K

Venues

  1. Language Testing

    44 publications · 3.9K citations

    29

    h-index

  2. Archives of Pathology & Laboratory Medicine

    34 publications · 1.1K citations

    21

    h-index

  3. Journal of Clinical Microbiology

    JCM · 29 publications · 1.5K citations

    21

    h-index

  4. Clinical Chemistry

    45 publications · 1.5K citations

    21

    h-index

  5. PubMed

    Repository · 59 publications · 1.7K citations

    21

    h-index

1–5