The SAGE Encyclopedia of Educational Research, Measurement, and
                    Evaluation

Nicholas F. Benson; Ashley Donohue; Emily Ward

doi:10.4135/9781506326139

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W Difference Scores

By: Nicholas F. Benson, Ashley Donohue & Emily Ward
In:The SAGE Encyclopedia of Educational Research, Measurement, and Evaluation
Chapter DOI:https://doi.org/10.4135/9781506326139
Subject:Special & Inclusive Education (general), Emotional Intelligence
Keywords:scale; scaling

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W Difference Scores

The W scale was developed by Richard Woodcock and Marshall Dahl in consultation with Benjamin Wright. The W scale is simply a transformation of the ability/item score from a Rasch analysis that ...

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  Benson, N., Donohue, A., & Ward, E. (2018). W difference scores. In The SAGE Encyclopedia of Educational Research, Measurement, and Evaluation (Vol. 4, pp. -). SAGE Publications, Inc., https://doi.org/10.4135/9781506326139
  
  Benson, Nicholas F., Ashley Donohue, and Emily Ward. "W Difference Scores." In The SAGE Encyclopedia of Educational Research, Measurement, and Evaluation, . Thousand Oaks,: SAGE Publications, Inc., 2018. https://doi.org/10.4135/9781506326139.
  
  Benson, N., Donohue, A. and Ward, E. 2018. W Difference Scores. In: The SAGE Encyclopedia of Educational Research, Measurement, and Evaluation. Thousand Oaks,: SAGE Publications, Inc. pp. Available at: <https://doi.org/10.4135/9781506326139> [Accessed 1 Dec 2023].
  
  Benson, Nicholas F., et al. "W Difference Scores." The SAGE Encyclopedia of Educational Research, Measurement, and Evaluation. Vol. 4. Thousand Oaks,: SAGE Publications, Inc., 2018, pp. . Sage Knowledge, doi: https://doi.org/10.4135/9781506326139.
  
  Benson, Nicholas F., Ashley DonohueEmily Ward. W difference scores. In The SAGE Encyclopedia of Educational Research, Measurement, and Evaluation. Vol. 4. Thousand Oaks,: SAGE Publications, Inc.; 2018: -. doi:10.4135/9781506326139
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