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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 606 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 310 times since 11/21/2018.
green dot  2018 Overview of Data Mining`s Potential Benefits and Limitations in Education Research  Iwatani, Emi
Viewed 512 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 372 times since 9/17/2018.
green dot  2018 Contrast Analysis: A Tutorial  Antal Haans
Viewed 2,056 times since 5/29/2018.
green dot  2018 How to Perform a Literature Review with Free and Open Source Software  Joshua M. Pearce
Viewed 3,463 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 926 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 1,639 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 718 times since 4/5/2018.
green dot  2018 Using Instrumental Variable Estimation to Evaluate Randomized Experiments with Imperfect Compliance  Francis L. Huang
Viewed 1,590 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 2,176 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 1,468 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 2,524 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 2,474 times since 5/30/2017.
green dot  2017 Hierarchical Linear Modeling with Maximum Likelihood, Restricted Maximum Likelihood, and Fully Bayesian Estimation  Boedeker, Peter
Viewed 3,398 times since 4/12/2017.
green dot  2016 Partial Least Squares Structural Equation Modeling with R  Ravand, Hamdollah, & Baghaei, Purya
Viewed 4,831 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 2,123 times since 9/13/2016.
green dot  2016 Measurement Error and Equating Error in Power Analysis  Phillips, Gary W., and Jiang, Tao
Viewed 2,735 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 3,553 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 3,132 times since 3/24/2016.
green dot  2016 Confidence Intervals for Effect Sizes: Applying Bootstrap Resampling.  Banjanovic, Erin S., and Osborne, Jason W.
Viewed 6,742 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 4,374 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 3,319 times since 2/1/2016.
green dot  2015 A Practical Guide for Using Propensity Score Weighting in R.   Olmos, Antonio & Priyalatha Govindasamy
Viewed 15,883 times since 6/27/2015.
green dot  2015 Chi-Square Test is Statistically Significant: Now What?  Sharpe, Donald
Viewed 64,310 times since 4/6/2015.
green dot  2015 What is Rotating in Exploratory Factor Analysis?   Osborne, Jason W.
Viewed 34,710 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 36,064 times since 11/19/2014.
green dot  2014 A Primer on Multivariate Analysis of Variance (MANOVA) for Behavioral Scientists.   Warne, Russell
Viewed 22,556 times since 11/18/2014.
green dot  2014 Sample Size Determination for Regression Models Using Monte Carlo Methods in R.   Beaujean, A. Alexander
Viewed 20,399 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 17,223 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 6,476 times since 8/12/2014.
green dot  2014 Improving Your Exploratory Factor Analysis for Ordinal Data: A Demonstration Using FACTOR.   Baglin, James
Viewed 20,099 times since 6/14/2014.
green dot  2014  Using meta-regression to explore moderating effects in surveys of international achievement.  Benton, Tom
Viewed 5,817 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 5,325 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 10,979 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 5,681 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 31,031 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 112,681 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 11,740 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 7,374 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 99,401 times since 4/29/2012.
green dot  2012 Terminating Sequential Delphi Survey Data Collection  Kalaian, Sema & Rafa M. Kasim
Viewed 8,848 times since 1/23/2012.
green dot  2011 Reporting and Discussing Effect Size: Still the Road Less Traveled?  McMillan, James H. & Jennifer Foley
Viewed 15,906 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 5,059 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 11,512 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 13,816 times since 2/26/2011.
green dot  2010 Yule-Simpson's Paradox in Research  Goltz, Heather Honoré & Matthew Lee Smith
Viewed 10,206 times since 10/18/2010.
green dot  2010 Improving your data transformations: Applying the Box-Cox transformation  Osborne, Jason
Viewed 55,534 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 7,455 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 104,683 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 15,265 times since 7/20/2009.
green dot  2009 A Guide to Writing the Dissertation Literature Review  Randolph, Justus
Viewed 189,696 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 14,443 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 8,853 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 16,124 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 17,625 times since 4/8/2008.
green dot  2008 Conducting External Profile Analysis with Multiple Regression  Culpepper, Steven Andrew
Viewed 15,132 times since 1/9/2008.
green dot  2007 Randomized Field Trials and Internal Validity: Not So Fast My Friend.  McMillan, James H.
Viewed 18,764 times since 12/3/2007.
green dot  2007 The Delphi Technique: Making Sense of Consensus  Hsu, Chia-Chien & Sandford, Brian A.
Viewed 58,364 times since 8/30/2007.
green dot  2007 Using Experts` Opinions Through Delphi Technique  Yousuf, Muhammad Imran
Viewed 53,565 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 33,434 times since 2/1/2007.
green dot  2007 A Practitioner’s Guide for Variable-length Computerized Classification Testing   Thompson, Nathan A.
Viewed 16,949 times since 1/30/2007.
green dot  2006 Using Regression Mixture Analysis in Educational Research  Ding, Cody S.
Viewed 38,624 times since 11/28/2006.
green dot  2006 Consider Propensity Scores to Compare Treatments  Rudner, Lawrence M. & Johnette Peyton
Viewed 17,363 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 35,832 times since 10/18/2006.
green dot  2005 Formatting a Paper-based Survey Questionnaire: Best Practices  Fanning, Elizabeth
Viewed 185,850 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 66,603 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 47,088 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 309,782 times since 3/2/2004.
green dot  2004 A Comparison of Consensus, Consistency, and Measurement Approaches to Estimating Interrater Reliability  Stemler, Steven E.
Viewed 117,621 times since 3/1/2004.
green dot  2003 Resampling methods: Concepts, Applications, and Justification  Yu, Chong Ho
Viewed 121,228 times since 9/29/2003.
green dot  2003 Reducing Error in Mail Surveys  Cui, Wei Wei
Viewed 64,560 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 58,069 times since 6/23/2003.
green dot  2003 Alternative Approaches to Assessing Student Engagement Rates  Chapman, Elaine
Viewed 122,066 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 48,110 times since 5/27/2003.
green dot  2002 Notes on the use of data transformations.  Osborne, Jason
Viewed 239,148 times since 5/30/2002.
green dot  2002 Analyzing online discussions: ethics, data, and interpretation  Brem, Sarah
Viewed 33,573 times since 5/15/2002.
green dot  2002 Four assumptions of multiple regression that researchers should always test.  Osborne, Jason and Elaine Waters
Viewed 612,382 times since 1/7/2002.
green dot  2001 The stability of undergraduate students' cognitive test anxiety levels  Cassady, Jerrell C.
Viewed 62,759 times since 8/23/2001.
green dot  2001 Conducting web-based surveys  Solomon, David J.
Viewed 82,807 times since 8/23/2001.
green dot  2001 An overview of content analysis  Stemler, Steve
Viewed 551,009 times since 6/7/2001.
green dot  2000 Organizational Issues Related to Portfolio Assessment Implementation in the Classroom.  Forgette-Giroux, Renée & Marielle Simon
Viewed 70,276 times since 4/19/2000.
green dot  2000 Prediction in Multiple Regression.  Osborne, Jason W.
Viewed 133,346 times since 3/10/2000.
green dot  2000 Advantages of Hierarchical Linear Modeling.  Osborne, Jason W.
Viewed 121,043 times since 1/10/2000.
green dot  1999 How to Write a Scholarly Research Report  Rudner, Lawrence M. & William D. Schafer
Viewed 372,700 times since 11/13/1999.
green dot  1996 Kerlinger's Research Myths.  Daniel, Larry G.
Viewed 71,205 times since 11/13/1999.
green dot  1996 Hints for Designing Effective Questionnaires.  Frary, Robert B.
Viewed 157,363 times since 11/13/1999.
green dot  1996 Authorship Ethics.  Syrett, Kristen L. & Rudner, Lawrence M.
Viewed 41,248 times since 11/13/1999.
green dot  1994 The Concept of Statistical Significance Testing.  Thompson, Bruce
Viewed 152,359 times since 11/13/1999.
green dot  1992 Resampling: A Marriage of Computers and Statistics.  Rudner, Lawrence M. & Shafer, Mary Morello
Viewed 26,127 times since 11/13/1999.
green dot  1992 Reducing Errors Due to the Use of Judges.  Rudner, Lawrence M.
Viewed 31,027 times since 11/13/1999.