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  1. Computerized Mastery Testing Using Fuzzy Set Decision Theory

    Author(s): Du, Yi ; Lewis, Charles ; Pashley, Peter J.

    Publication Year: 1994

    Source: ETS Research Report

  2. Overview of Computerized Multistage Tests

    Author(s): Yan, Duanli ; Lewis, Charles ; von Davier, Alina A.

    Publication Year: 2014

    Source: Yan, Duanli; von Davier, Alina A.; Lewis, Charles (eds.) Computerized Multistage Testing: Theory and Applications. Boca Raton: Chapman and Hall/CRC, 2014, p271-284

  3. Implications of Using Freshman GPA as the Criterion for the Predictive Validity of the SAT

    Author(s): Ramist, Leonard ; Lewis, Charles ; McCamley, Laura

    Publication Year: 1990

    Source: Willingham, Warren W.; Lewis, Charles; Morgan, Rick; Ramist, Leonard (eds.) Predicting College Grades: An Analysis of Institutional Trends Over Two Decades. Princeton, NJ: Educational Testing Service, 1990, p253-288

  4. A Preliminary Evaluation of the Stability of Freshman GPA, 1978-1985

    Author(s): Pomplun, Mark R. ; Burton, Nancy W. ; Lewis, Charles

    Publication Year: 1990

    Source: Willingham, Warren W.; Lewis, Charles; Morgan, Rick; Ramist, Leonard (eds.) Predicting College Grades: An Analysis of Institutional Trends Over Two Decades. Princeton, NJ: Educational Testing Service, 1990, p289-299

  5. Preface: Computerized Multistage Testing: Theory and Applications

    Author(s): Yan, Duanli ; von Davier, Alina A. ; Lewis, Charles

    Publication Year: 2014

    Source: Yan, Duanli; von Davier, Alina A.; Lewis, Charles (eds.) Computerized Multistage Testing: Theory and Applications. Boca Raton: Chapman and Hall/CRC, 2014, pxxi-xxiii

  6. Bayesian Methods for the Analysis of Variance

    Author(s): Lewis, Charles

    Publication Year: 1993

    Source: Keren, Gideon; Lewis, Charles (eds.) A Handbook for Data Analysis in the Behavioral Sciences: Methodological Issue. Hillsdale, NJ: Lawrence Erlbaum Associates, Publishers, 1993, p233-256

  7. Analyzing Means from Repeated Measures Data

    Author(s): Lewis, Charles

    Publication Year: 1993

    Source: Keren, Gideon; Lewis, Charles (eds.) A Handbook for Data Analysis in the Behavioral Sciences: Methodological Issue. Hillsdale, NJ: Lawrence Erlbaum Associates, Publishers, 1993, p73-94

  8. A Sampling of Statistical Problems Encountered at the Educational Testing Service

    Author(s): Johnson, Eugene D ; Lewis, Charles ; Mislevy, Robert J. ; Wainer, Howard

    Publication Year: 1992

    Source: ETS Research Report

  9. Multistage Test Design and Scoring with Small Samples

    Author(s): Yan, Duanli ; Lewis, Charles ; von Davier, Alina A.

    Publication Year: 2014

    Source: Yan, Duanli; von Davier, Alina A.; Lewis, Charles (eds.) Computerized Multistage Testing: Theory and Applications. Boca Raton: Chapman and Hall/CRC, 2014, p303-324

  10. Institutional Differences in Prediction Trends

    Author(s): Willingham, Warren W. ; Lewis, Charles

    Publication Year: 1990

    Source: Willingham, Warren W.; Lewis, Charles; Morgan, Rick; Ramist, Leonard (eds.) Predicting College Grades: An Analysis of Institutional Trends Over Two Decades. Princeton, NJ: Educational Testing Service, 1990, p141-160

  11. Test Security and Quality Control for Multistage Tests

    Author(s): Lee, Yi-Hsuan ; Lewis, Charles ; von Davier, Alina A.

    Publication Year: 2014

    Source: Yan, Duanli; von Davier, Alina A.; Lewis, Charles (eds.). Computerized Multistage Testing: Theory and Applications. Boca Raton: Chapman and Hall/CRC, 2014, p285-300

  12. Student Group Differences in Predicting College Grades: Sex, Language, and Ethnic Groups

    Author(s): Lewis, Charles ; McCamley-Jenkins, Laura ; Ramist, Leonard

    Publication Year: 1994

    Source: ETS Research Report

  13. Some Empirical Guidelines for Building Testlets

    Author(s): Wainer, Howard ; Kaplan, Bruce A. ; Lewis, Charles

    Publication Year: 1991

    Source: ETS Research Report

  14. An Adaptive Algebra Test: A Testlet-based,Hierarchically-Structured Test With Validity-based Scoring

    Author(s): Wainer, Howard ; Lewis, Charles ; Kaplan, Bruce A. ; Braswell, James S.

    Publication Year: 1990

    Source: ETS Research Report

  15. A Comparison of the Predictive Validity of the Current SAT and an Experimental Prototype

    Author(s): Hale, Gordon A. ; Bridgeman, Brent ; Lewis, Charles ; Pollack, Judith M. ; Wang, Ming-mei

    Publication Year: 1992

    Source: ETS Research Report

  16. Small-Sample Equating With Prior Information

    Author(s): Livingston, Samuel A. ; Lewis, Charles

    Publication Year: 2009

    Source: ETS Research Report

  17. Note on Unconditional and Conditional Hypothesis Testing: A Discussion of an Issue Raised by van der Linden and Sotaridona

    Author(s): Lewis, Charles

    Publication Year: 2006

    Source: Journal of Educational and Behavioral Statistics, v31 n3 p305-309, Fall 2006

  18. Testing Multivariate Partial, Semipartial and Bipartial Correlation Coefficients

    Author(s): van den Burg, Willem ; Lewis, Charles

    Publication Year: 1990

    Source: Multivariate Behavioral Research, v25 n3 p335-340, Jul 1990

  19. Collateral Information for Equating in Small Samples: A Preliminary Investigation

    Author(s): Kim, Sooyeon ; Livingston, Samuel A. ; Lewis, Charles

    Publication Year: 2011

    Source: Applied Measurement in Education, v24 n4 p302-323, 2011

  20. A Note on the Value of Including the Studied Item the Test Score When Analyzing Test Items for DIF

    Author(s): Lewis, Charles

    Publication Year: 1993

    Source: Holland, Paul W.; Wainer, Howard (eds.) Differential Item Functioning. Hillsdale, NJ: Lawrence Erlbaum Associates, Publishers, 1993, p317-319

  21. Using Loss Functions for DIF Detection: An Empirical Bayes Approach

    Author(s): Zwick, Rebecca J. ; Thayer, Dorothy T. ; Lewis, Charles

    Publication Year: 2000

    Source: Journal of Educational and Behavioral Statistics, v25 n2 p225-247, Sum 2000

  22. Toward a Psychometrics for Testlets

    Author(s): Wainer, Howard ; Lewis, Charles

    Publication Year: 1989

    Source: ETS Research Report

  23. Computerized Multistage Testing: Theory and Applications

    Author(s): Yan, Duanli ; von Davier, Alina A. ; Lewis, Charles

    Publication Year: 2014

    Source: Book

  24. Estimating the Consistency and Accuracy of Classifications Based on Test Scores

    Author(s): Livingston, Samuel A. ; Lewis, Charles

    Publication Year: 1995

    Source: Journal of Educational Measurement v32 n2 p179-197, Sum 1995

  25. Using Bayesian Decision Theory to Design a Computerized Mastery Test

    Author(s): Lewis, Charles ; Sheehan, Kathleen M.

    Publication Year: 1990

    Source: Applied Psychological Measurement, v14 n4 p367-386, Dec 1990

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