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Practical Assessment
Research & Evaluation
A peer-reviewed electronic journal. ISSN 1531-7714 
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Statistical Analysis
 
green dot  2019 Causal Inference Methods for selection on observed and unobserved factors: Propensity Score Matching, Heckit Models, and Instrumental Variable Estimation.   Scott, Paul Wesley
Viewed 39 times since 4/23/2019.
green dot  2019 Heteroskedasticity in Multiple Regression Analysis: What it is, How to Detect it and How to Solve it with Applications in R and SPSS  Astivia, Oscar L. Olvera and Zumbo, Bruno D.
Viewed 1,047 times since 1/11/2019.
green dot  2018 The Ensemble and Model Comparison Approaches for Big Data Analytics in Social Sciences.   Yu, C H., Lee, H S., Lara, E., & Gan, S.
Viewed 460 times since 11/21/2018.
green dot  2018 Overview of Data Mining`s Potential Benefits and Limitations in Education Research  Iwatani, Emi
Viewed 756 times since 10/14/2018.
green dot  2018 A Note on Using the Nonparametric Levene Test When Population Means Are Unequal.   Shear, Benjamin R., Nordstokke, David W., & Zumbo, Bruno D.
Viewed 796 times since 9/17/2018.
green dot  2018 Contrast Analysis: A Tutorial  Antal Haans
Viewed 2,597 times since 5/29/2018.
green dot  2018 A Note on the Assumption of Identical Distributions for Nonparametric Tests of Location.  Nordstokke, David W. & Colp, S. Mitchell
Viewed 813 times since 4/5/2018.
green dot  2018 Using Instrumental Variable Estimation to Evaluate Randomized Experiments with Imperfect Compliance  Francis L. Huang
Viewed 1,892 times since 2/24/2018.
green dot  2018 Random Forest as a Predictive Analytics Alternative to Regression in Institutional Research  Lingjun He, Richard A. Levine, Juanjuan Fan, Joshua Beemer, and Jeanne Stronach
Viewed 2,480 times since 1/13/2018.
green dot  2017 An Evaluation of Normal Versus Lognormal Distribution in Data Description and Empirical Analysis.  Diwakar, Rekha
Viewed 2,946 times since 12/21/2017.
green dot  2017 The Miscalculation of Interrater Reliability: A Case Study Involving the AAC&U VALUE Rubrics  Szafran, Robert
Viewed 1,161 times since 12/8/2017.
green dot  2017 Advocating the Broad Use of the Decision Tree Method in Education.  Gomes, Cristiano M. A., and Almeida, Leandro S
Viewed 1,697 times since 11/6/2017.
green dot  2017 Data Transformations for Inference with Linear Regression: Clarifications and Recommendations.   Pek, J., Wong, O., & Wong, AC.
Viewed 2,988 times since 10/11/2017.
green dot  2017 Estimating Operational Validity Under Incidental Range Restriction: Some Important but Neglected Issues.   Brown, Reagan D., Oswald, Frederick L. & Converse, Patrick D.
Viewed 1,511 times since 8/6/2017.
green dot  2017 Hierarchical Linear Modeling with Maximum Likelihood, Restricted Maximum Likelihood, and Fully Bayesian Estimation  Boedeker, Peter
Viewed 3,796 times since 4/12/2017.
green dot  2016 Partial Least Squares Structural Equation Modeling with R  Ravand, Hamdollah, & Baghaei, Purya
Viewed 5,062 times since 9/16/2016.
green dot  2016 Accuracy of range restriction correction with multiple imputation in small and moderate samples: A simulation study  Pfaffel, Andreas, & Spiel, Christiane
Viewed 2,259 times since 9/13/2016.
green dot  2016 Measurement Error and Equating Error in Power Analysis  Phillips, Gary W., and Jiang, Tao
Viewed 2,998 times since 8/8/2016.
green dot  2016 Regularization Methods for Fitting Linear Models with Small Sample Sizes: Fitting the Lasso Estimator using R.   Finch, W. Holmes, & Finch, Maria E. Hernandez
Viewed 3,833 times since 5/8/2016.
green dot  2016 A Comparison of Three Approaches to Correct for Direct and Indirect Range Restrictions: A Simulation Study.   Pfaffel, Andreas, Schober, Barbara, & Spiel, Christiane.
Viewed 3,277 times since 3/24/2016.
green dot  2016 Confidence Intervals for Effect Sizes: Applying Bootstrap Resampling.  Banjanovic, Erin S., and Osborne, Jason W.
Viewed 7,264 times since 3/11/2016.
green dot  2016 A Brief Guide to Decisions at Each Step of the Propensity Score Matching Process.   Harris, Heather, & Horst, S. Jeanne
Viewed 4,763 times since 2/19/2016.
green dot  2016 Tutorial on Using Regression Models with Count Outcomes using R  Beaujean, A. Alexander & Grant, Morgan B.
Viewed 13,462 times since 2/2/2016.
green dot  2016 Data visualization of item-total correlation by median smoothing  Yu, Chong Ho, Douglas, Samantha, Lee, Anna, & An, Min
Viewed 3,545 times since 2/1/2016.
green dot  2015 A Practical Guide for Using Propensity Score Weighting in R.   Olmos, Antonio & Priyalatha Govindasamy
Viewed 17,284 times since 6/27/2015.
green dot  2015 Chi-Square Test is Statistically Significant: Now What?  Sharpe, Donald
Viewed 66,291 times since 4/6/2015.
green dot  2015 What is Rotating in Exploratory Factor Analysis?   Osborne, Jason W.
Viewed 36,796 times since 1/7/2015.
green dot  2015 Linear Logistic Test Modeling with R  Baghaei, Purya & Kubinger, Klaus D
Viewed 6,509 times since 1/1/2014.
green dot  2014 A Step-by-Step Guide to Propensity Score Matching in R  Randolph, Justus J., Falbe, Kristina, Manuel, Austin Kureethara, & Balloun, Joseph L.
Viewed 39,253 times since 11/19/2014.
green dot  2014 A Primer on Multivariate Analysis of Variance (MANOVA) for Behavioral Scientists.   Warne, Russell
Viewed 23,421 times since 11/18/2014.
green dot  2014 Analyzing Group Level Effects with Clustered Data Using Taylor Series Linearization.  Huang, Francis L.
Viewed 4,519 times since 11/11/2014.
green dot  2014 Sample Size Determination for Regression Models Using Monte Carlo Methods in R.   Beaujean, A. Alexander
Viewed 20,850 times since 8/23/2014.
green dot  2014 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 17,975 times since 8/16/2014.
green dot  2014 A Simulation Study of Missing Data with Multiple Missing X’s  Rubright, Jonathan D., Nandakumar, Ratna and Gluttin, Joseph J.
Viewed 6,681 times since 8/12/2014.
green dot  2014 Estimating unbiased treatment effects in education using a regression discontinuity design.  Smith, William C.
Viewed 6,785 times since 8/3/2014.
green dot  2014 Improving Your Exploratory Factor Analysis for Ordinal Data: A Demonstration Using FACTOR.   Baglin, James
Viewed 20,921 times since 6/14/2014.
green dot  2014 Exploring the Limitations of Measures of Students` Socioeconomic Status (SES)  Dickinson, Emily R. & Jill L. Adelson
Viewed 8,067 times since 5/15/2014.
green dot  2013 Educational Research with Real-World Data: Reducing Selection Bias with Propensity Score Analysis.  Adelson, Jill L.
Viewed 5,601 times since 12/18/2013.
green dot  2013 Comparing Propensity Score Methods in Balancing Covariates and Recovering Impact in Small Sample Educational Program Evaluations.  Stone, Clement A. & Tang, Yun
Viewed 11,199 times since 11/5/2013.
green dot  2013 Normality of residuals is a continuous variable, and does seem to influence the trustworthiness of confidence intervals : A response to, and appreciation of, Williams, Grajales, and Kurkiewicz (2013)  Osborne, Jason W.
Viewed 5,916 times since 9/6/2013.
green dot  2013 Assumptions of Multiple Regression: Correcting Two Misconceptions.  Williams, Matt N., Grajales, Carlos Alberto Gómez, & Kurkiewicz, Dason
Viewed 33,129 times since 9/6/2013.
green dot  2013 Using the Student's t-test with extremely small sample sizes  de Winter, J.C.F.
Viewed 114,115 times since 8/6/2013.
green dot  2013 Determining the Number of Factors to Retain in EFA: Using the SPSS R-Menu v2.0 to Make More Judicious Estimations  Courtney, Matthew Gordon Ray
Viewed 25,224 times since 4/30/2013.
green dot  2013 Forest plots in Excel: Moving beyond a clump of trees to a forest of visual information.   Derzon, James H. & Alford, Aaron A.
Viewed 32,091 times since 4/29/2013.
green dot  2013 Practical Considerations for Using Exploratory Factor Analysis in Educational Research.   Beavers, Amy S., Lounsbury, John W., Richards, Jennifer K., Huck, Schuyler W., Skolits, Gary J. & Esquivel, Shelley L.
Viewed 26,792 times since 3/5/2013.
green dot  2013 Factor Analysis using R.   Beaujean, A. Alexander
Viewed 33,134 times since 2/25/2013.
green dot  2013 Unit-weighted scales imply models that should be tested!   Beauducel, André & Leue, Anja
Viewed 5,575 times since 2/18/2013.
green dot  2012 Replication Analysis in Exploratory Factor Analysis: What it is and why it makes your analysis better.  Osborne, Jason W. & David C. Fitzpatrick
Viewed 12,048 times since 11/1/2012.
green dot  2012 Logits and tigers and bears, oh my! A brief look at the simple math of logistic regression and how it can improve dissemination of results.   Osborne, Jason W.
Viewed 7,495 times since 6/6/2012.
green dot  2012 Interpreting Multiple Linear Regression: A Guidebook of Variable Importance  Nathans, Laura L., Oswald, Frederick L., & Nimon, Kim
Viewed 100,167 times since 4/29/2012.
green dot  2012 A Demonstration of a Systematic Item-Reduction Approach Using Structural Equation Modeling.   Larwin, Karen & Harvey, Milton
Viewed 9,831 times since 4/23/2012.
green dot  2012 Transforming Rubrics Using Factor Analysis  Baryla, Ed, Shelley, Gary and William Trainor
Viewed 8,104 times since 1/23/2012.
green dot  2012 Estimating ordinal reliability for Likert-type and ordinal item response data: A conceptual, empirical, and practical guide  Gadermann, Anne M., Guhn, Martin & Bruno D. Zumbo
Viewed 30,979 times since 1/17/2012.
green dot  2011 Reporting and Discussing Effect Size: Still the Road Less Traveled?  McMillan, James H. & Jennifer Foley
Viewed 16,357 times since 10/18/2011.
green dot  2011 Cohen's d vs. Alternative Standardized Mean Group Difference Measures  Cahan, Sorel & Eyal Gamliel
Viewed 12,536 times since 6/28/2011.
green dot  2011 Applying Tests of Equivalence for Multiple Group Comparisons: Demonstration of the Confidence Interval Approach.  Rusticus, Shayna A. & Chris Y. Lovato
Viewed 11,806 times since 4/25/2011.
green dot  2011 The operating characteristics of the nonparametric Levene test for equal variances with assessment and evaluation data.  Nordstokke, David W., Zumbo, Bruno D., Cairns, Sharon L., Saklofske, Donald H.
Viewed 14,433 times since 2/26/2011.
green dot  2010 Yule-Simpson's Paradox in Research  Goltz, Heather Honoré & Matthew Lee Smith
Viewed 10,448 times since 10/18/2010.
green dot  2010 Improving your data transformations: Applying the Box-Cox transformation  Osborne, Jason
Viewed 56,023 times since 10/6/2010.
green dot  2012 Five-Point Likert Items: t test versus Mann-Whitney-Wilcoxon (Addendum added October 2012)  de Winter, J. C. F. & D. Dodou
Viewed 55,481 times since 10/6/2010.
green dot  2010 Analyzing the longitudinal K-12 grading histories of entire cohorts of students: Grades, data driven decision making, dropping out and hierarchical cluster analysis.  Bowers, Alex J.
Viewed 7,582 times since 5/12/2010.
green dot  2009 Combining Dual Scaling with Semi-Structured Interviews to Interpret Rating Differences  Childs, Ruth A., Ram, Anita & Xu, Yunmei
Viewed 8,990 times since 5/26/2009.
green dot  2009 Using Power Tables to Compute Statistical Power in Multilevel Experimental Designs  Konstantopoulos, Spyros
Viewed 17,319 times since 5/20/2009.
green dot  2009 Using recursive regression to explore nonlinear relationships and interactions: A tutorial applied to a multicultural education study  Strang, Kenneth David
Viewed 16,904 times since 3/16/2009.
green dot  2008 Revisiting the Collinear Data Problem: An Assessment of Estimator 'Ill-Conditioning' in Linear Regression   Callaghan, Karen J. and Chen, Jie
Viewed 16,333 times since 6/18/2008.
green dot  2008 What Does it Mean to Be Average? The Miles per Gallon versus Gallons per Mile Paradox Revisited  Haans, Antal
Viewed 17,815 times since 4/8/2008.
green dot  2008 Conducting External Profile Analysis with Multiple Regression  Culpepper, Steven Andrew
Viewed 15,291 times since 1/9/2008.
green dot  2007 A data visualization and data mining approach to response and non-response analysis in survey research  Yu,Chong Ho,  Jannasch-Pennell, Angel,  DiGangi,Samuel,  Kim,Chang & Andrews, Sandra
Viewed 16,650 times since 12/20/2007.
green dot  2007 On the Performance of the lZ Person-Fit Statistic  Armstrong, Ronald D., Stoumbos, Zachary G., Kung, Mabel T., & Shi, Min
Viewed 40,469 times since 12/5/2007.
green dot  2007 Randomized Field Trials and Internal Validity: Not So Fast My Friend.  McMillan, James H.
Viewed 18,922 times since 12/3/2007.
green dot  2007 Assessing unidimensionality: A comparison of Rasch Modeling, Parallel Analysis, and TETRAD  Yu, Chong Ho, Sharon Osborn Popp, Samuel DiGangi, and Angel Jannasch-Pennell
Viewed 18,650 times since 10/8/2007.
green dot  2007 Assessing Program Outcomes When Participation Is Voluntary: Getting More Out of a Static-Group Comparison.   Szafran, Robert F.
Viewed 14,608 times since 5/29/2007.
green dot  2007 An Introduction To Multi-Battery Factor Analysis: Overcoming Method Artefacts.  Brown, Gavin T L
Viewed 16,446 times since 5/29/2007.
green dot  2007 Decoding the Meaning of Factorial Invariance and Updating the Practice of Multi-group Confirmatory Factor Analysis: A Demonstration With TIMSS Data  Wu, Amery D., Li, Zhen and Bruno D. Zumbo
Viewed 21,949 times since 2/11/2007.
green dot  2007 Determining the Number of Factors to Retain in EFA: An easy-to-use computer program for carrying out Parallel Analysis  Ledesma, Rubén Daniel and Pedro Valero-Mora
Viewed 33,850 times since 2/1/2007.
green dot  2006 Using Regression Mixture Analysis in Educational Research  Ding, Cody S.
Viewed 39,148 times since 11/28/2006.
green dot  2006 Consider Propensity Scores to Compare Treatments  Rudner, Lawrence M. & Johnette Peyton
Viewed 17,563 times since 11/17/2006.
green dot  2006 Expected Classification Accuracy using the Latent Distribution  Guo, Fanmin
Viewed 12,705 times since 10/17/2006.
green dot  2005 Expected Classification Accuracy  Rudner, Lawrence M.
Viewed 19,039 times since 8/29/2005.
green dot  2001 Computing the expected proportions of misclassified examinees  Rudner, Lawrence M.
Viewed 25,395 times since 3/30/2001.
green dot  1996 Kerlinger's Research Myths.  Daniel, Larry G.
Viewed 71,731 times since 11/13/1999.
green dot  1995 More Multiple-Choice Item Writing Do's and Don'ts.  Frary, Robert B.
Viewed 85,361 times since 11/13/1999.
green dot  1995 Writing Multiple-Choice Test Items.  Kehoe, Jerard
Viewed 149,771 times since 11/13/1999.
green dot  1994 The Concept of Statistical Significance Testing.  Thompson, Bruce
Viewed 152,781 times since 11/13/1999.