HanTest.NET by Kyung "Chris" T. Han truetheta [at] gmail.com

About this site:

This website is for distributing psychometric research papers and computer software programs that I authored/co-authored. They are all free of charge, but the author(s) retain all copyrights. Please cite the software/papers appropriately.

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Software Downloads:

For research and teaching purposes, you do not need to get any license to use the computer software programs that are distributed from this website. For commercial uses, please contact me first. Please note that the author(s) are not responsible for any results caused by using the software. The author(s) do not provide any support for the software but welcome bug/error reports.

1. WinGen3 (2010):
   Windows Software that Generates IRT Parameters and Item Responses.
   
   
2. IRTCook (2010):
   Software Tool for Massive IRT Analyses.
   
   
3. IRTEQ (2009):
   Windows Application that Implements IRT Scaling and Equating.
   
   
4. SimulCAT (2011):
   Windows Application that Simulates Computerized Adaptive Test Administration.
   
   
5. HSGen (2007):
   Hierarchical Score Generator.
   
   
6. ResidPlots2 (2009)
   Computer Software for IRT Graphic Residual Analyses.
   

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Recent Papers:

Han, K. T. (in press). SimulCAT: Windows software for simulating computerized adaptive test administration. Applied Psychological Measurement.

Han, K. T., Wells, C. S., & Sireci, S. G. (in press). Impact of multidirectional item parameter drift on test equating and proficiency estimates. Applied Measurement in Education.

Han, K. T. (2012). Fixing the c parameter in the three-parameter logistic model. Practical Assessment, Research & Evaluation, 17(1). Available online: http://pareonline.net/getvn.asp?v=17&n=1.

Talento-Miller, E., Guo, F., & Han, K. T. (in press). Examining test speededness by native language. International Journal of Testing.

Han, K. T. (2012, April). A new item selection criterion to incorporate item efficiency level in computerized adaptive testing. Paper will be presented at the annual meeting of the National Council on Measurement in Education, Vancouver, British Columbia.

Talento-Miller, Han, K. T. &, Guo, F. (2012, April). Analysis of embedded pretest items by position. Paper will be presented at the annual meeting of the National Council on Measurement in Education, Vancouver, British Columbia.

Han, K. T., Rudner, L. M., Guo, F., & Talento-Miller, E. (2012, February). Detecting item parameter drift in computerized adaptive testing. In the item generation and calibration in computerized adaptive testing. Presentation will be delivered at the annual meeting of the Association of Test Publishers, Palm Spring, CA.

Han, K. T., Guo, F., Talento-Miller, E., & Rudner, L. M. (2011, October). Recalibrating items using adaptively administered response data. Paper presented at the annual meeting of the International Association for Computerized and Adaptive Testing, Pacific Grove, CA.

Han, K. T. (2011, April). Item pocket approach to allow response review and change in computerized adaptive testing. Paper presented at the annual meeting of the National Council on Measurement in Education, New Orleans, LA.

Wells, C. S., Keller, L., & Han, K. T. (2011, April). Minimizing the effect of model misfit on the invariance property for the three-parameter logistic model. Paper presented at the annual meeting of the National Council on Measurement in Education, New Orleans, LA.

Talento-Miller, E., Guo, F., & Han, K. T. (2011, April). Examining test speededness by Native Language. Paper presented at the annual meeting of the National Council on Measurement in Education, New Orleans, LA.

Talento-Miller, E., Han, K. T., & Guo, F. (2011). Guess again: the effect of correct guesses on scores in an operational CAT program. GMAC Research Report RR-11-04, March 14, 2011.

Han, K. T. (2011, March). Identifying item needs for item pool construction using the mixed integer programming, In the future of testing: technological innovations that you can expect. Presentation delivered at the annual meeting of the Association of Test Publishers, Phoenix, AZ.

Han, K. T., & Guo, F. (2011). Potential impact of item parameter drift due to practice and curriculum change on item calibration in computerized adaptive testing. GMAC Research Report RR-11-02, January 1, 2011.

Han, K. T. (2010, July). Discussion of three-parameter logistic model: What is the best guess at the guessing parameter? Paper presented at the annual meeting of the International Test Commission, Hong Kong, China.

Talento-Miller, E., Guo, F., & Han, K. T. (2010, July). Examining test speededness by Native Language. Paper presented at the annual meeting of the International Test Commission, Hong Kong, China.

Talento-Miller, E., Han, K. T., & Guo, F. (2010, June). The effect of correct guesses on socres in an operational CAT program. Paper presented at the annual meeting of the International Association of Computerized Adaptive Testing, Arnhem, Netherlands.

Han, K. T. (2010, May). Comparison of Non-Fisher-Information Item Selection Criteria in Fixed-Length CAT. Paper presented at the annual meeting of the National Council on Measurement in Education, Denver, CO.

Han, K. T., & Rudner, L. M. (2010, May). Implementing the Mixed Integer Quadratic Programming for Constructing Item Pools for Computerized Adaptive Testing Program, In Implementation issues in automated test assembly. Paper presented at the annual meeting of the National Council on Measurement in Education, Denver, CO.

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(Shortened) VITA:

Selected Publications/Presentations/Reports:

Han, K. T., Wells, C. S., & Sireci, S. G. (in press). Impact of multidirectional item parameter drift on test equating and proficiency estimates. Applied Measurement in Education.

Han, K. T. (2009). IRTEQ: Windows application that implements IRT scaling and equating. Applied Psychological Measurement, 33(6), 491-493.

Liang, T., Han, K. T., & Hambleton, R. K. (2009). ResidPlots-2: Computer software for IRT graphical residual analyses. Applied Psychological Measurement, 33(5), 411-412.

Sireci, S. G., Han, K. T., & Wells, C. S. (2008).  Methods for evaluating the validity of test scores for English language learners. Educational Assessment, 13(2), 108-131.

Sireci, S. G., Wells, C. S., & Han, K. T. (2008).  Identifying item parameter drift in multistage adaptive testing.  CLEAR Exam Review, 19(1), 14-21.

Han, K. T. (2007). WinGen: Windows software that generates IRT parameters and item responses. Applied Psychological Measurement, 31, 457-459.

Han, K. T. (2011, April). Item pocket approach to allow response review and change in computerized adaptive testing. Paper presented at the annual meeting of the National Council on Measurement in Education, New Orleans, LA.

Wells, C. S., Keller, L., & Han, K. T. (2011, April). Minimizing the effect of model misfit on the invariance property for the three-parameter logistic model. Paper presented at the annual meeting of the National Council on Measurement in Education, New Orleans, LA.

Talento-Miller, E., Guo, F., & Han, K. T. (2011, April). Examining test speededness by Native Language. Paper presented at the annual meeting of the National Council on Measurement in Education, New Orleans, LA.

Han, K. T. (2011, March). Identifying item needs for item pool construction using the mixed integer programming, In the future of testing: technological innovations that you can expect. Presentation will be delivered at the annual meeting of the Association of Test Publishers, Phoenix, AZ.

Han, K. T., & Guo, F. (2010, July). Impact of compromised items on item pool calibration. Paper presented at the annual meeting of the International Test Commission, Hong Kong, China.

Han, K. T. (2010, July). Discussion of three-parameter logistic model: What is the best guess at the guessing parameter? Paper presented at the annual meeting of the International Test Commission, Hong Kong, China.

Talento-Miller, E., Guo, F., & Han, K. T. (2010, July). Examining test speededness by Native Language. Paper presented at the annual meeting of the International Test Commission, Hong Kong, China.

Talento-Miller, E., Han, K. T., & Guo, F. (2010, June). The effect of correct guesses on socres in an operational CAT program. Paper presented at the annual meeting of the International Association of Computerized Adaptive Testing, Arnhem, Netherlands.

Han, K. T. (2010, May). Comparison of Non-Fisher-Information Item Selection Criteria in Fixed-Length CAT. Paper presented at the annual meeting of the National Council on Measurement in Education, Denver, CO.

Han, K. T., & Rudner, L. M. (2010, May). Implementing the Mixed Integer Quadratic Programming for Constructing Item Pools for Computerized Adaptive Testing Program, In Implementation issues in automated test assembly. Paper presented at the annual meeting of the National Council on Measurement in Education, Denver, CO.

Talento-Miller, E., Han, K. T., & Guo, F. (2010, April). Mythbusters: a practical look at the effect of position of correct responses on a computerized adaptive test. Paper presented at the annual meeting of the National Council on Measurement in Education, Denver, CO.

Han, K. T. (2010, February). Evaluating efficiency of item selection methods and item needs, In understanding item use and predicting item needs for computerized adaptive testing. Presentation delivered at the annual meeting of the Association of Test Publishers, Orlando, FL.

Han, K. T., Wells, C. S., & Hambleton, R. K. (2009, July). Impact of item parameter drift on pseudo-guessing parameter estimates and test equating. Paper presented at the annual meeting of the Psychometric Society, Cambridge, UK.

Han, K. T. (2009, June) Gradual maximum information ratio approach to item selection in computerized adaptive testing. Paper presented at the GMAC 2009 Computer Adaptive Testing Conference, Minneapolis, MN.

Kim. J., & Han, K. T. (2009, April). New approaches to test equating when construct response items are used as linking items. Presentation delivered at the annual meeting of the National Council on Measurement in Education, San Diego, CA.

Han, K. T., & Wells, C. S. (2008, July). Impact of multidirectional item parameter drift on test equating and proficiency estimates. Paper presented at the international meeting of Psychometric Society, Durham, NH.

Lee, J. H., & Han, K. T. (2008, July). Optimizing the number of items for each module in multi-stage testing. Presentation delivered at the international meeting of Psychometric Society, Durham, NH.

Zenisky, A.L., Han, K. T., Yoo, H., Smith, Z. R., & Patton, J. (2008).  Evaluation of the CATs content balancing algorithm (Center for Educational Assessment Report No. 682). Amherst, MA: University of Massachusetts, School of Education.

Sireci, S. G., Baldwin, P., Martone, D., Laguilles, A. Z., Lam, W., Lewis, C., Han, K. T., & Hambleton, R. K (2008).  Massachusetts adult proficiency tests technical manual: Version 2 (Center for Educational Assessment Report No. 677).  Amherst, MA: University of Massachusetts, School of Education.

Liang, T., Han, K. T., & Baldwin, P. (2008, March). Computer software for graphical residual analysis. Poster presented at the meeting of the National Council on Measurement in Education, New York, NY.

Liang, T., Han, K. T., & Hambleton, R. K. (2008). ResidPlots: Computer program for data-model fit and residual analysis [computer program]. Amherst, MA: University of Massachusetts Amherst, Center for Educational Assessment. Retrieved January 12, 2008, from http://www.umass.edu/remp/software/residplots/

Han, K. T., Xu, X., & von Davier, M. (2008, January). Investigating the dimensionality of NAEP reading data using the general diagnostic model. Paper presented at the International Conference on Learning Competency, Seoul, Korea.

Han, K. T. (2008, January). IRT test equating procedures using IRTEQ. Paper presented at the International Conference on Learning Competency, Seoul, Korea.

Han, K. T., & Sireci, S. G. (2007, October). Statistical models for evaluating educational gain at the program level for adult basic education programs. Paper presented at the meeting of the Northeastern Educational Research Association, Rocky Hill, CT.

Liang, T., Sireci, S. G., Wells, C. S., & Han, K. T. (2007, October). Evaluating item parameter drift in computerized adaptive testing. Paper presented at the meeting of the Northeastern Educational Research Association, Rocky Hill, CT.

Han, K. T., & Hambleton, R. K. (2007). User's Manual: WinGen (Center for Educational Assessment Report No. 642).  Amherst, MA: University of Massachusetts, School of Education.

Han, K. T. (2007). HSGen: Hierarchical Score Generator [computer program]. Amherst, MA: University of Massachusetts, Center for Educational Assessment. Retrieved June 22, 2007, from http://www.umass.edu/remp/software/hsgen/

Han, K. T. (2007). Using 3-level hierarchical linear model for evaluating educational gain at the program level (Center for Educational Assessment Report No. 628).  Amherst, MA: University of Massachusetts, School of Education.

Han, K. T. (2007). WinGen2: Windows software that generates IRT parameters and item responses [computer program]. Amherst, MA: University of Massachusetts Amherst, Center for Educational Assessment. Retrieved May 13, 2007, from http://www.umass.edu/remp/software/wingen/

Sireci, S. G., Wells, C. S., Baldwin, P., & Han, K. T. (2007, April).  Detection of item degradation: Evaluating item parameter drift in computerized-adaptive testing. Paper presented at the meeting of the Society of Industrial and Organizational Psychology, New York, NY.

Sireci, S. G., & Han, K. T., (2007, April). Methods for evaluating the validity of test scores for English language learners.  Paper presented at the meeting of the American Educational Research Association, Chicago, IL.

Han, K. T., & Wells, C. S. (2007, April). Impact of differential item functioning (DIF) on test equating and proficiency estimates. Paper presented at the meeting of the National Council on Measurement in Education, Chicago, IL.

Sireci, S. G., Baldwin, P., Martone, D., & Han, K. T. (2007, April). Determining cutpoints on a multi-stage test for federally established proficiency levels. Paper presented at the meeting of the National Council on Measurement in Education, Chicago, IL.

Han, K. T., Baldwin, P., & Sireci, S. G. (2006). Analyses of differential item functioning of potential MAPT items (Center for Educational Assessment Report No. 616).  Amherst, MA: University of Massachusetts, School of Education.

Han, K. T. (2006). Establishing educational gain levels on newly developed assessments for ABE (Center for Educational Assessment Report No. 615).  Amherst, MA: University of Massachusetts, School of Education.

Sireci, S. G., Baldwin, P., Martone, D., Laguilles, A. Z., Hambleton, R. K, & Han, K. T. (2006).  Massachusetts adult proficiency tests technical manual (Center for Educational Assessment Report No. 600).  Amherst, MA: University of Massachusetts, School of Education.

Han, K. T. (2006, October). WinGen: Windows software that generates IRT parameters and responses.  Presentation delivered at the meeting of the Northeastern Educational Research Association, Kerhonkson, NY.

Han, K. T. (2006, June). No such thing as content validity: is construct validity a safe zone? Paper presented at the meeting of the Psychometric Society, Montreal, Canada.

Han, K. T., Sireci, S. G., Wells, C. S., & Zenisky, A. L. (2006, April). Methods for evaluating educational gains at the program level.  Paper presented at the meeting of the National Council on Measurement in Education, San Francisco, CA.

Han, K. T., Sireci, S. G., Wells, C. S., & Zenisky, A. L. (2005, October). Methods for evaluating educational gains at the program level.  Paper presented at the meeting of the Northeastern Educational Research Association, Kerhonkson, NY.

Han, K. T. (2005, April). A confirmatory factor analysis of the Revised Protestant Work Ethic Scale. Poster presented at the meeting of the New England Educational Research Organization, Northampton, MA.

Sireci, S. G., Wells, C. S., Han, K. T., & Zenisky, A. L.  (2005).  Evaluating educational gains at the program level: Options and recommendations for the Massachusetts Department of Education’s Office of Adult and Community Learning Services (Center for Educational Assessment Report No. 559).  Amherst, MA: University of Massachusetts, School of Education.

 

Invited Training Sessions / Seminars / Symposiums:

July 31, 2010, ‘Practical Issues with the Three Parameter Logistic Model’ for the graduate students in the Department of Education, Yonsei University, Seoul, S. Korea. Funded by Department of Education, Korea (as a part of the ‘Brain Korea 21’ project).

July 29, 2010, ‘Computer Programming for Psychometric Research’ for the graduate students in the Department of Psychology, Sung-Kyun-Kwan University, Seoul, S. Korea. Funded by Department of Education, Korea (as a part of the ‘Brain Korea 21’ project).

May 12, 2009, ‘Fundamentals of Computerized Adaptive Testing’ for the graduate students in the Department of Psychology, Sung-Kyun-Kwan University, Seoul, S. Korea. Funded by Department of Education, Korea (as a part of the ‘Brain Korea 21’ project).

Jan. 24 ~ 29, 2008, ‘Monte-Carlo Simulation Studies about DIF/IPD and Test Equating’ for the graduate students in the Department of Psychology, Sung-Kyun-Kwan University, Seoul, S. Korea. Funded by Department of Education, Korea (as a part of the ‘Brain Korea 21’ project).

Jan. 9 ~ 12, 2007, ‘Fundamentals of IRT and Applications’ for the graduate students in the Department of Psychology, Sung-Kyun-Kwan University, Seoul, S. Korea. Funded by Department of Education, Korea (as a part of the ‘Brain Korea 21’ project).

 

Professional Service:

Software review editor (International Journal of Testing) 2009-2010
Manuscript reviewer (Educational and Psychological Measurement) 2011
Manuscript reviewer (Asia Pacific Education Review) 2010-2011
Manuscript reviewer (International Journal of Testing) 2008-2010
Manuscript reviewer (Applied Psychological Measurement) 2008-2012
Manuscript reviewer (Journal of Educational Measurement) 2007
Proposal reviewer (Northeastern Educational Research Association) 2008-2009
Proposal reviewer (National Council on Measurement in Education) 2007-2010
Proposal reviewer (International Association for Computerized Adaptive Testing) 2010
Proposal reviewer (American Educational Research Association) 2010
Presentation discussant (National Council on Measurement in Education) 2009-2010
Session chair (International Test Commission) 2010
Session chair (International Association of Computerized Adaptive Testing) 2011

 

Professional Affiliations:

American Educational Research Association (AERA)
National Council on Measurement in Education (NCME)
Psychometric Society
International Association for Computerized Adaptive Testing (IACAT)

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