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Showing 1 - 13 of 13 reports for "David+Woodruff" Clear Search
Sep 15, 2014
High School Grade Inflation from 1991 to 2003
ACT research report series: 2004-4 ...
Sep 12, 2014
Empirical Bayes Estimates of Parameters from the Logistic Regression Model
ACT research report series: 97-6 ...
Oct 30, 2013
A Comparison of Three Methods for Computing Scale Score Conditional Standard Errors of Measurement
ACT research report series: 2013-7 ...
Sep 15, 2014
Differential Grading Standards Among High Schools
ACT research report series: 2004-2 ...
Sep 15, 2014
Relationships Between EPAS Scores and College Preparatory Course Work in High School
ACT research report series: 2003-5 ...
Sep 12, 2014
Estimation of Item Response Models Using the EM Algorithm for Finite Mixtures
ACT research report series: 96-6 ...
Sep 12, 2014
An Empirical Investigation of the Accuracy of a Step-Up Method for Estimating Test Score Conditional Variances
ACT research report series: 96-4 ...
Sep 15, 2014
Bayesian Statistical Inference for Coefficient Alpha
ACT research report series: 2002-2 ...
Sep 12, 2014
A Note on a Relationship Between Covariance Matrices and Consistently Estimated Variance Components
ACT research report series: 95-2 ...
Dec 13, 2012
Statistical Considerations in Choosing a Test Reliability Coefficient
ACT research report series: 2012-10 ...
Sep 12, 2014
Linear Models for Item Scores: Reliability, Covariance; Structure; and Psychometric Inference
ACT research report series: 93-4 ...
Jun 18, 2013
A Comparison of Four Linear Equating Methods for the Common-Item Nonequivalent Groups Design Using Simulation Methods
ACT research report series: 2013-2 ...
Sep 01, 2020
The Validity of Low ACT Scores
Investigates the meaningfulness of lower ACT scores to inform the appropriate use of the ACT as an every-student-test for all high school students, not just college bound high school students.