Publications

Peer Reviewed Statistical and Psychometric Publications

  1. Douglas J, Stout WF, and Dibello L. A kernel smoothed version of SIBTEST with
    applications to local DIF inference and function estimation. Journal of Educational
    and Behavioral Statistics, 21:333-363, 1996.
  2. Douglas J, Roussos L, and Stout WF Item bundle DIF hypothesis testing: Identifying
    suspect bundles and assessing their DIF.  Journal of Educational Measurement, 33:465–484, 1996.
  3. Stout WF, Habing B, Douglas J, Kim HR, Roussos L, and Zhang J. Conditional
    covariance based nonparametric multidimensionality assessment.  Applied Psychological Measurement, 20:331–354, 1996.
  4. Douglas J. Joint consistency of nonparametric item characteristic curve and ability estimation. Psychometrika, 62:7–28, 1997.
  5. Douglas J, Kim H, Habing B, and Gao F.: Investigating local dependence with conditional covariance functions.  Journal of Educational and Behavioral Statistics, 23: 129–151,1998.
  6. Douglas J. Item response models for quality of life in clinical trials.  Statistics in Medicine, 18:2917–2931, 1999.
  7. Douglas J, Kosorok M. and Chewning B. A latent variable model for multivariate psychometric response times. Psychometrika, 64:69–82, 1999.
  8. Douglas J. Asymptotic identifiability of nonparametric item response models. Psychometrika, 66:531–540, 2001.
  9. Douglas J, and Cohen A. Nonparametric ICC estimation to assess fit of parametric models.  Applied Psychological Measurement, 25:234–243, 2001.
  10. Wang C, Douglas J, Anderson S. Item response models for jointly analyzing quality of life and survival. Statistics in Medicine, 21:129–142, 2002.
  11.  de la Torre J, Douglas J. Higher-Order latent trait models for cognitive diagnosis. Psychometrika, 69:333-353, 2004.
  12. Henson R, Douglas J. Test construction for cognitive diagnosis. Applied Psychological Measurement, 29 (4), 262-277, 2005.
  13. Xu X, Douglas J. Computerized adaptive testing under nonparametric IRT models. Psychometrika, 71 (1), 121-137, 2006.
  14.  Lee YS, Douglas J, Chewning B. Techniques For Developing Health Quality of Life Scales For Point of Service Use. Social Indicators Research: An International and Interdisciplinary Journal for Quality-Of-Life Measurement, 83(2), 331-350, 2007.
  15. Henson R, Templin J, Douglas J. Using efficient model based sum-scores for conducting skills diagnosis. Journal of Educational Measurement, 44 (4), 361-376, 2007.
  16. de la Torre J, Douglas J. Model evaluation and multiple strategies in cognitive diagnosis:
    An analysis of fraction subtraction data. Psychometrika, 73, 595-624, 2008.
  17. Henson R., Roussos L., Douglas J, He X. Cognitive diagnostic attribute level
    discrimination indices. Applied Psychological Measurement, 32, 275-288, 2008.
  18. Cheng Y, Chang H, Douglas J, Guo F. Constraint weighted a-stratification for severely constrained computerized adaptive testing. Educational and Psychological Measurement, 69, 35-49, 2009.
  19. Chiu C, Douglas J, Li X. Cluster analysis for cognitive diagnosis: Theory and
    applications. Psychometrika, 74, 633-655, 2009.
  20. Lee YS, Wollack J, Douglas J. On the use of nonparametric ICC estimation techniques for checking parametric model fit. Educational and Psychological Measurement, 69, 181-197. 2009.
  21.  Liu Y, Douglas J, Henson R. Testing person fit in cognitive diagnosis. Applied Psychological Measurement, 33, 579-598. 2009.
  22. Fan Z, Wang C, Chang H, Douglas J. Utilizing response time distributions for item selection in CAT. Journal of Educational and Behavioral Statistics, 37, 579-600, 2012.
  23. Wang C, Chang H, Douglas J. Combining CAT with cognitive diagnosis: A weighted item selection approach. Behavior Research Methods, 44, 95-109, 2012.
  24. Chiu C, Douglas J, A nonparametric approach to cognitive diagnosis by proximity to ideal response patterns.  Journal of Classification, 30, 225-230, 2013.
  25. Wang C, Chang H, Douglas J. The linear transformation model with frailties for the analysis of item response times.  British Journal of Mathematical and Statistical Psychology, 66, 148-168.,  2013.
  26. Wang C, Fan Z, Chang H, Douglas J. A semiparametric model for jointly analyzing response times and accuracy in computerized testing. Journal of Educational and Behavioral Statistics, 38, 381-417, 2013.
  27. Hong H, Wang C, Lim YS, Douglas J. Efficient models for cognitive diagnosis with continuous and mixed-type latent variables. Applied Psychological Measurement, 39, 31-43, 2015.
  28. Wang S, Douglas J. Consistency of nonparametric classification in cognitive diagnosis. Psychometrika, 80, 85-100, 2015.
  29. Wang, S Lin, Y, Chang, H, Douglas, J. Hybrid computerized adaptive testing: From group sequential design to fully sequential design. Journal of Educational Measurement, 53, 45-62, 2016.
  30. Ye S, Fellouris G, Culpepper S, Douglas J. Sequential detection of learning in cognitive diagnosis. British Journal of Mathematical and Statistical Psychology, 69, 139-158, 2016.
  31. Chen, Y., Culpepper, S. A., Chen Y., Douglas J. Bayesian estimation of the DINA Q matrix. Psychometrika, doi: 10.1007/s11336-017-9579-4, 2017.
  32.  Chen Y, Culpepper S.A., Wang S, Douglas J. A hidden Markov model for learning trajectories in cognitive diagnosis with application to spatial rotation skills. Applied Psychological Measurement, 42, 5-23, 2018.
  33.  Wang S, Yang Y, Culpepper S.A., Douglas J. Tracking skill acquisition with cognitive diagnosis models: A higher-order, hidden Markov model with covariates. Journal of Educational and Behavioral Statistics, 43, 57-87, 2018.
  34.  Wang S, Zhang S, Douglas J, Culpepper S. Using response times to assess learning progress: A joint model for responses and response times. Measurement: Interdisciplinary Research and Perspectives (accepted), 2018.

Peer Reviewed Medical Publications

  1. Cleeland C, Nakamura Y, Mendoza T, Edwards K, Douglas J, Serlin R. Dimensions of the impact of cancer pain in a four country sample: New information from multidimensional scaling. Pain. 67:276–273,1996.
  2. McMurray J, Williams E, Schwartz M, Douglas J, Van Kirk J, Konrad R, Gerrity M, Bigby J, Linzer M, for the SGIM Career Satisfaction Study Group. Physician job satisfaction: Developing a model using qualitative data. Journal of General Internal Medicine, 12:711–714, 1997.
  3. Carbone P, Douglas J, Larson P, Verma A, Blair I, Pomplun M, Tutsch K. Phase I chemoprevention study of piroxicam and alpha-diflouromethylornithine.
    Cancer Epidemiology, Biomarkers and Prevention, 7:907–912, 1998.
  4. Konrad T, Williams E, Linzer M, McMurray J, Pathman D, Gerrity M, Schwartz M, Scheckler W, Van Kirk J, Rhodes E, Douglas J, for the SGIM Career Satisfaction Study Group. Measuring physician job satisfaction in a changing workplace and a challenging environment.  Medical Care, 37:1174–1182, 1999.
  5. Williams E, Konrad T, Linzer M, McMurray J, Pathman D, Gerrity M, Schwartz M, Scheckler W, Van Kirk J, Rhodes E, Douglas J, for the SGIM Career Satisfaction Study Group. Refining the measurement of physician job satisfaction: Results
    from the Physician Worklife Survey. Medical Care, 37:1140–1154, 1999.
  6. Messing E, Love R, Tutsch K, Verma A, Douglas J, Pomplun M, Simisin M, Wilding G. Low dose diflouromethylornithine and polyamine levels in human prostate tissue. Journal of the National Cancer Institute, 91:1416–1417, 1999.
  7. Linzer M, Konrad T, Douglas J, McMurray J, Pathman D, Williams E, Schwartz M, Gerrity M, Scheckler W, Bigby J, Rhodes E, for the SGIM Career Satisfaction Study Group. HMO practice, time pressure and job satisfaction: Results from the Physician Worklife Study. Journal of General Internal Medicine, 15:441–450, 2000.
  8. McMurray J, Linzer M, Konrad T, Douglas J, Shugerman R, Nelson K, for the SGIM Career Satisfaction Study Group. The worklives of women physicians: Results from the Physician Worklife Study.  Journal of General Internal Medicine, 15: 372–380, 2000.
  9. Carbone P, Douglas J, Thomas J, Tutsch K, Pomplun M, Hamielec M, Pauk D. Bioavailability study of oral liquid and tablet forms of diflouromethylornithine.  Clinical Cancer Research. 6:3850–3854, 2000.
  10. Carbone P, Pirsch J, Thomas J, Douglas J, Verma A, Larson P, Snow S, Tutsch K, Pauk D. Phase I chemoprevention study of difluoromethylornithine in subjects with organ transplants. Cancer Epidemiology, Biomarkers and Prevention, 6:657–661, 2001.
  11. Chewning B, Douglas J, Kokotailo PK, LaCourt J, Clair DS, Wilson D. Protective factors associated with American Indian adolescents’ safer sexual patterns.
    Journal of Maternal and Child Health, 273-280, 2001.
  12. Kotwicki R, Condra L, Vermulen L, Wolf T, Douglas J, Farrell P. Assessing
    the Quality of Life in Children with Cystic Fibrosis. Wisconsin Medical Journal. 100:50–54, 2001.
  13. Shugerman R, Linzer M, Nelson K, Douglas J, Williams R, Konrad R, for the Career Satisfaction Study Group. Pediatric generalists and specialists: Determinants of career satisfaction. Pediatrics, 108:E40,2001.
  14. Berghahn L, Hartenbach E, Douglas J, Grosen E, Schink J. The role of Ketorolac
    in decreasing length of stay in patients with gynecologic malignancies. Journal of Pelvic Surgery, 8:23-26, 2002.
  15. Linzer M, Gerrity M, Douglas J, McMurray J, Williams E, Konrad T, for the Society of General Internal Medicine Career Satisfaction Study Group. Physician job stress: Results from the Physician Worklife Study. Stress and Health, 18:37–42, 2002.
  16. Pathman D, Konrad T, Williams E, Linzer M, Douglas J. Physician job satisfaction, dissatisfaction, and turnover. {\em Journal of Family Practice}, 51(7):593, 2002.
  17. Wetterneck T, Linzer M, McMurray J, Douglas J, Schwartz M, Bigby J, Gerrity M, Karlson D, and Rhodes E for the SGIM Career Satisfaction Study Group. Worklife and satisfaction of general internists: Comparisons with family physicians and internal medicine subspecialists from the Physician Worklife Study. Archives of Internal Medicine,162:649–656,2002.
  18. Williams E, Konrad T, Linzer M, McMurray J, Pathman D, Gerrity M, Schwartz M, Scheckler W, Van Kirk J, Kirk J, Rhodes E, Douglas J. Physicians, practice, and patient characteristics related to physician physicial and mental health: Results from the Physicians Worklife Study. Health Services Research, 2002, 37(1):121-143
  19. Koscik R, Farrell P, Kosorok M, Zaremba K, Laxova A, Lai H, Douglas J, Rock M, Splaingard M. Cognitive function of children with cystic fibrosis: Deleterious effect of early malnutrition. Pediatrics, 1549-1548, 2004.
  20. Koscik R, Douglas J, Zaremba K, Rock M, Splaingard M, Laxova A, Farrell P. Quality of life of children with cystic fibrosis. Pediatrics, 147(3 Suppl) S64-S68, 2005.
  21. Koscik R, Lai H.C., Laxova A, Zaremba K, Kosorok M, Douglas J, Rock M, Splaingard M, Farrell P. Preventing early, prolonged vitamin E deficiency: An opportunity for better cognitive outcomes via early diagnosis through neonatal screening. Pediatrics, 147(3 Suppl) S51-S56, 2005.
  22. McMurray J, Heiligers P.J.M., Shugerman R, Douglas J, Gangnon R, Voss C, Costa S, Linzer M. Part-time medical practice: Where is it headed? The American Journal of Medicine, 118(1):87-92, 2005.
  23. Song M.K., Kirchhoff K.T., Douglas J, Ward S., Hammes B. A randomized controlled trial to improve advance care planning among patients undergoing cardiac surgery.  Medical Care, 43:1049-1053, 2005.
  24. Huie M, Oettel K, Van Ummersen L, Kim K, Zhang Y, Staab M, Horvath D, Marnocha R, Douglas J, Dresen A, Alberti D, Wilding G. Phase II study of interferon-alpha and doxycycline for advanced renal cell carcinoma. Investigational New Drugs. 24 (3), 255-260, 2006.
  25. Hutson P, Oettel K, Douglas J, Ritter M, Messing E, Staab M, Alberti D, Horvath D,
    Wilding G. Effect of medical castration on CYP3A4 enzyme activity using the
    erythromycin breath test.  Cancer Chemotherapy Pharmacology, 62, 373-377, 2008.
  26.  Davis-Devine S, Day S, Anderson A, French A, Madison-Henness D, Mohar N, Tansy D, Hiremath A, Douglas J, Freund G. Collection of the BD SurePath Pap Test with a broom device plus endocervical brush improves disease detection when compared to the broom device alone of the spatula plus endocervical brush combination. Cytojournal, 6, 4, 2009.
  27. Bailey H, Kim K, Verma A, Sielaff K, Larson P, Snow S, Lenaghan T, Viver J, Douglas J, Dreckschmidt N, Hamielec M, Pomplun M, Sharata H, Puchalsky D, Berg E, Havighurst T, Carbone P. A randomized, double-blind, placebo controlled Phase 3 skin cancer prevention study of a-diflouromethylornithine in subjects with previous history of skin cancer.  Cancer Prevention Research, 3, 35-47, 2010.
  28. Wisinski K, Ledesma W, Kolesar J, Wilding G, Liu G, Douglas J, Traynor A, Albertini M, Mulkerin D, Bailey H. A phase I study to determine the maximum tolerated dose and safety of oral LR-103 in patients with advanced cancer. Journal of Oncology Pharmacy Practice, 21, 416-425, 2015.

Book Chapters

  1. Xu X, Douglas J, Lee YS. Linking with nonparametric IRT models. In A von Davier (Ed.), Statistical Model for Test Equating, Scaling, and Linking. New York, Springer, 2011.

Book Reviews

  1. Douglas J. Review of  Linear Models for Optimal Test Design by Wim J. van der Linden. Journal of the American Statistical Association, 101:1727-1727, 2006.