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David J. Woodruff

Observed names: David Woodruff, Woodruff David
Observed institution: American College Testing
OpenAlex ID: A5042241382
Statistical Inference for Coefficient Alpha
1987 · Leonard S. Feldt, David J. Woodruff, et al. · Applied Psychological Measurement · 548
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Statistical Inference for
1951 · Leonard S. Feidt, David J. Woodruff, et al. · 55
Tests for Equality of Several Alpha Coefficients when their Sample Estimates are Dependent
1986 · David J. Woodruff, Leonard S. Feldt · Psychometrika · 47
High School Grade Inflation from 1991 to 2003
2003 · David J. Woodruff, Robert L. Ziomek · 33
Conditional Standard Error of Measurement in Prediction
1990 · David Woodruff · Journal of Educational Measurement · 21
High School Grade Inflation from 1991 to 2003. Research Report Series 2004-04.
2004 · David J. Woodruff, Robert L. Ziomek · 20
Estimation of Item Response Models Using the EM Algorithm for Finite Mixtures.
1996 · David J. Woodruff, Bradley A. Hanson · 19
Derivations of Observed Score Linear Equating Methods Based on Test Score Models for the Common Item Nonequivalent Populations Design
1986 · David Woodruff · Journal of Educational Statistics · 15
Empirical Bayes Estimates of Parameters from the Logistic Regression Model
1997 · Walter M. Houston, David J. Woodruff · 10
A Comparison of Three Linear Equating Methods for the Common-Item Nonequivalent-Populations Design
1989 · David J. Woodruff · Applied Psychological Measurement · 8
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Estimating Measures of Pass-Fail Reliability From Parallel Half-Tests
1989 · David J. Woodruff, Richard L. Sawyer · Applied Psychological Measurement · 8
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Statistical Considerations in Choosing a Test Reliability Coefficient. ACT Research Report Series, 2012 (10).
2012 · David J. Woodruff, Yi-Fang Wu · 7
ACT research report series: Empirical Bayes estimates of parameters from the logistic regression model
1997 · Walter M. Houston, David J. Woodruff · PsycEXTRA Dataset · 7
ACT research report series: Estimation of item response models using the EM algorithm for finite mixtures
1996 · David J. Woodruff, Bradley A. Hanson · PsycEXTRA Dataset · 7
?Differential Grading Standards among High Schools. ACT Research Report Series, 2004-02.
2004 · David J. Woodruff, Robert L. Ziomek · 6
ACT Research Report Series 2004-2: Differential Grading Standards Among High Schools
2004 · David J. Woodruff, Robert L. Ziomek · PsycEXTRA Dataset · 6
Stepping Up Test Score Conditional Variances
1991 · David Woodruff · Journal of Educational Measurement · 6
ACT Research Report Series 2004-4: High School Grade Inflation from 1991 to 2003
2004 · David J. Woodruff, Robert L. Ziomek · PsycEXTRA Dataset · 5
A Comparison of Four Linear Equating Methods for the Common-Item Nonequivalent Groups Design Using Simulation Methods
2013 · Anna M. Topczewski, Zhongmin Cui, et al. · 4
Relationships between EPAS Scores and College Preparatory Course Work in High School. ACT Research Report Series.
2003 · David J. Woodruff · 4
Empirical Bayes Estimates of Parameters from the Logistic Regression Model. ACT Research Report Series 97-6.
1997 · Walter M. Houston, David J. Woodruff · 4
Discussion of `Multivariate Outlier Detection and Robust Covariance Matrix Estimation
2001 · David M. Rocke, David J. Woodruff · eScholarship (California Digital Library) · 3
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ACT Research Report Series: High School Grade Inflation from 1991 to 2003
2004 · David J. Woodruff, Robert L. Ziomeck · PsycEXTRA Dataset · 2
ACT Research Report Series: Bayesian Statistical Inference for Coefficient Alpha
2002 · Jun Corser Li, David J. Woodruff · PsycEXTRA Dataset · 1
A Comparison of Three Methods for Computing Scale Score Conditional Standard Errors of Measurement. ACT Research Report Series, 2013 (7).
2013 · David J. Woodruff, Anne Traynor, et al. · ACT, Inc.
Works count: 43
Citation count: 846
H-index: 9
I10-index: 9
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