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Practical Assessment
Research & Evaluation
A peer-reviewed electronic journal. ISSN 1531-7714 
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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 How to Perform a Literature Review with Free and Open Source Software  Joshua M. Pearce
Viewed 4,393 times since 5/24/2018.
green dot  2018 An Application of the Partial Credit IRT Model in Identifying Benchmarks for Polytomous Rating Scale Instruments  Enis Dogan
Viewed 1,128 times since 5/5/2018.
green dot  2018 Exploring Differences in Measurement and Reporting of Classroom Observation Inter-Rater Reliability  Wilhelm, Anne Garrison, Gillespie Rouse, Amy, & Jones, Francesca
Viewed 1,849 times since 4/5/2018.
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 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 The Use of Reddit as an Inexpensive Source for High-Quality Data.  Jamnik, Matthew R., & Lane, David J.
Viewed 2,846 times since 5/30/2017.
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 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  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 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 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  Using meta-regression to explore moderating effects in surveys of international achievement.  Benton, Tom
Viewed 5,987 times since 5/19/2014.
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  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 Terminating Sequential Delphi Survey Data Collection  Kalaian, Sema & Rafa M. Kasim
Viewed 9,140 times since 1/23/2012.
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 Best Practices in Using Large, Complex Samples: The Importance of Using Appropriate Weights and Design Effect Compensation  Osborne, Jason
Viewed 5,176 times since 9/19/2011.
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  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 Understanding and Using Factor Scores: Considerations for the Applied Researcher  DiStefano, Christine, Zhu, Min & Mîndrilã, Diana
Viewed 106,088 times since 10/26/2009.
green dot  2009 What is authorship, and what should it be? A survey of prominent guidelines for determining authorship in scientific publications.  Osborne, Jason W., and Holland, Abigail
Viewed 15,490 times since 7/20/2009.
green dot  2009 A Guide to Writing the Dissertation Literature Review  Randolph, Justus
Viewed 191,913 times since 6/4/2009.
green dot  2009 Examining Design and Inter-Rater Reliability of a Rubric Measuring Research Quality across Multiple Disciplines  Bresciani, Marilee J., Oakleaf, Megan, Kolkhorst, Fred, Nebeker, Camille, Barlow, Jessica, Duncan, Kristin, and Hickmott, Jessica
Viewed 14,707 times since 5/29/2009.
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  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 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 The Delphi Technique: Making Sense of Consensus  Hsu, Chia-Chien & Sandford, Brian A.
Viewed 60,240 times since 8/30/2007.
green dot  2007 Using Experts` Opinions Through Delphi Technique  Yousuf, Muhammad Imran
Viewed 54,470 times since 5/25/2007.
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  2007 A Practitioner’s Guide for Variable-length Computerized Classification Testing   Thompson, Nathan A.
Viewed 17,163 times since 1/30/2007.
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 Bringing balance and technical accuracy to reporting odds ratios and the results of logistic regression analyses  Osborne, Jason W.
Viewed 36,205 times since 10/18/2006.
green dot  2005 Formatting a Paper-based Survey Questionnaire: Best Practices  Fanning, Elizabeth
Viewed 186,157 times since 8/26/2005.
green dot  2005 Best practices in exploratory factor analysis: four recommendations for getting the most from your analysis.  Costello, Anna B. & Jason Osborne
Viewed 69,989 times since 7/15/2005.
green dot  2004 Course Selection Decisions by Students on Campuses With and Without Published Teaching Evaluations  Wilhelm, Wendy Bryce & Charles Comegys
Viewed 47,168 times since 8/24/2004.
green dot  2004 The power of outliers (and why researchers should ALWAYS check for them)  Osborne, Jason W. & Amy Overbay
Viewed 311,635 times since 3/2/2004.
green dot  2004 A Comparison of Consensus, Consistency, and Measurement Approaches to Estimating Interrater Reliability  Stemler, Steven E.
Viewed 118,525 times since 3/1/2004.
green dot  2003 Resampling methods: Concepts, Applications, and Justification  Yu, Chong Ho
Viewed 123,195 times since 9/29/2003.
green dot  2003 Reducing Error in Mail Surveys  Cui, Wei Wei
Viewed 64,781 times since 9/2/2003.
green dot  2003 Meta-analysis methods for synthesizing treatment effects in multisite studies: hierarchical linear modeling (HLM) perspective  Kalaian, Sema A.
Viewed 58,288 times since 6/23/2003.
green dot  2003 Alternative Approaches to Assessing Student Engagement Rates  Chapman, Elaine
Viewed 122,641 times since 5/27/2003.
green dot  2003 Effect Sizes and the Disattenuation of Correlation and Regression Coefficients: Lessons from Educational Psychology.  Osborne, Jason W.
Viewed 48,395 times since 5/27/2003.
green dot  2002 Notes on the use of data transformations.  Osborne, Jason
Viewed 240,312 times since 5/30/2002.
green dot  2002 Analyzing online discussions: ethics, data, and interpretation  Brem, Sarah
Viewed 33,749 times since 5/15/2002.
green dot  2002 Four assumptions of multiple regression that researchers should always test.  Osborne, Jason and Elaine Waters
Viewed 616,260 times since 1/7/2002.
green dot  2001 The stability of undergraduate students' cognitive test anxiety levels  Cassady, Jerrell C.
Viewed 62,961 times since 8/23/2001.
green dot  2001 Conducting web-based surveys  Solomon, David J.
Viewed 83,155 times since 8/23/2001.
green dot  2001 An overview of content analysis  Stemler, Steve
Viewed 553,925 times since 6/7/2001.
green dot  2000 Organizational Issues Related to Portfolio Assessment Implementation in the Classroom.  Forgette-Giroux, Renée & Marielle Simon
Viewed 70,471 times since 4/19/2000.
green dot  2000 Prediction in Multiple Regression.  Osborne, Jason W.
Viewed 133,937 times since 3/10/2000.
green dot  2000 Advantages of Hierarchical Linear Modeling.  Osborne, Jason W.
Viewed 121,774 times since 1/10/2000.
green dot  1999 How to Write a Scholarly Research Report  Rudner, Lawrence M. & William D. Schafer
Viewed 373,457 times since 11/13/1999.
green dot  1996 Kerlinger's Research Myths.  Daniel, Larry G.
Viewed 71,731 times since 11/13/1999.
green dot  1996 Hints for Designing Effective Questionnaires.  Frary, Robert B.
Viewed 157,938 times since 11/13/1999.
green dot  1996 Authorship Ethics.  Syrett, Kristen L. & Rudner, Lawrence M.
Viewed 41,473 times since 11/13/1999.
green dot  1994 The Concept of Statistical Significance Testing.  Thompson, Bruce
Viewed 152,781 times since 11/13/1999.
green dot  1992 Resampling: A Marriage of Computers and Statistics.  Rudner, Lawrence M. & Shafer, Mary Morello
Viewed 26,262 times since 11/13/1999.
green dot  1992 Reducing Errors Due to the Use of Judges.  Rudner, Lawrence M.
Viewed 31,197 times since 11/13/1999.