Volume 19 
 18.  A StepbyStep Guide to Propensity Score Matching in R Randolph, Justus J., Falbe, Kristina, Manuel, Austin Kureethara, & Balloun, Joseph L.
Viewed 37,103 times since 11/19/2014.

 17.  A Primer on Multivariate Analysis of Variance (MANOVA) for Behavioral Scientists. Warne, Russell
Viewed 22,806 times since 11/18/2014.

 16.  Modelling the preferences of students for alternative assignment designs using the Discrete Choice Experiment methodology. Kennelly, B., Flannery, D., Considine. J., Doherty. E., & Hynes, S.
Viewed 3,875 times since 11/13/2014.

 15.  A Comparison of Three Conditional Growth Percentile Methods: Student Growth Percentiles, Percentile Rank Residuals, and a Matching Method Wyse, Adam E. & Seo, Dong Gi
Viewed 4,532 times since 11/12/2014.

 14.  Editorial Changes and Item Performance: Implications for Calibration and Pretesting Stoffel, Heather, Raymond, Mark R., Bucak, S. Deniz & Haist, Steven A.
Viewed 3,334 times since 11/11/2014.

 13.  Analyzing Group Level Effects with Clustered Data Using Taylor Series Linearization. Huang, Francis L.
Viewed 4,431 times since 11/11/2014.

 12.  Sample Size Determination for Regression Models Using Monte Carlo Methods in R. Beaujean, A. Alexander
Viewed 20,638 times since 8/23/2014.

 11.  Impact of Sample Size and Variability on the Power and Type I Error Rates of Equivalence Tests: A Simulation Study. Rusticus, Shayna A. & Lovato, Chris Y.
Viewed 17,539 times since 8/16/2014.

 10.  A Simulation Study of Missing Data with Multiple Missing X’s Rubright, Jonathan D., Nandakumar, Ratna and Gluttin, Joseph J.
Viewed 6,592 times since 8/12/2014.

 9.  Estimating unbiased treatment effects in education using a regression discontinuity design. Smith, William C.
Viewed 6,617 times since 8/3/2014.

 8.  Revising an Engineering Design Rubric: A Case Study Illustrating Principles and Practices to Ensure Technical Quality of Rubrics. Goldberg, Gail Lynn
Viewed 5,388 times since 8/2/2014.

 7.  Improving MultipleGroup confirmatory factor analysis in R – A tutorial in measurement invariance with continuous and ordinal indicators. Hirschfeld, Gerrit & von Brachel, Ruth
Viewed 16,487 times since 7/9/2014.

 6.  QuasiExperiments in Schools: The Case for Historical Cohort Control Groups. Walser, Tamara M.
Viewed 11,041 times since 6/23/2014.

 5.  Improving Your Exploratory Factor Analysis for Ordinal Data: A Demonstration Using FACTOR. Baglin, James
Viewed 20,445 times since 6/14/2014.

 4.  Influences of mood on academic course evaluations. Zumbach, Joerg & Joachim Funke
Viewed 5,385 times since 5/21/2014.

 3.  Using metaregression to explore moderating effects in surveys of international achievement. Benton, Tom
Viewed 5,900 times since 5/19/2014.

 2.  Impact of Violation of the MissingatRandom Assumption on FullInformation Maximum Likelihood Method in Multidimensional Adaptive Testing. Han, Kyung T. & Fanmin Guo
Viewed 4,127 times since 5/19/2014.

 1.  Exploring the Limitations of Measures of Students` Socioeconomic Status (SES) Dickinson, Emily R. & Jill L. Adelson
Viewed 7,855 times since 5/15/2014.

The 364 titles in this journal have been retrieved 19,115,077 times since November 13, 1999 when the journal went online.
