INTRODUCCIÓN*Imperio y canon en William Henry HudsonLeila Gómez University of Colorado, Boulder En 1941, se publica en Argentina la pionera Antología de Guillermo Enrique Hudson con estudios críticos sobre su vida y su obra , con textos de Fernando Pozzo, E. Martínez Estrada, Jorge Casares, Jorge Luis Borges, H. J. Massingham, V. S. Pritchett y Hugo Manning. Fue este uno de los principales
Bardzo tanie apteki z dostawą w całej Polsce kupic levitra i ogromny wybór pigułek.
Resume_4.2.10Ryan T. Williams
Ph.D. Candidate, Research Methodology, Loyola University Chicago, Chicago, Illinois (ABD, Expected Completion - 2011) M.A., Research Methodology, Loyola University Chicago, Chicago, Illinois Thesis Title: Measurement Properties of the Study DIAD: An Evaluation Using IRT B.A., Psychology, Sociology, Indiana University, Bloomington, Indiana
Loyola University Chicago Graduate Research Assistantship 2008 – present Indiana University College of Arts and Sciences Dean’s List 2004 – 2006
Experimental and Quasi-Experimental Design
Measurement Theory and Psychometrics
Philosophy and History of Science
Sampling Methods and Complex Survey Design
Health and Social Equity Research
Methods for Missing Data in Meta Analysis January 2008 – present
Principal Investigators – Dr. Terri Pigott & Dr. Meng-Jia Wu at Loyola University Chicago Graduate Research Assistant on methodological investigation methods for synthesizing regression models in meta-analysis (Funded by the National Science Foundation) Duties Include: Study coding, literature review, database management, meta-analysis and methods testing, and dissemination of results Rehabilitation Institute of Chicago (RIC) May 2007 – August 2009
Site Principal Investigators - Dr. Catherine Wilson & Dr. Allen Heinemann Center for Rehabilitation Outcomes Research Project manager of multi-site randomized controlled trial of venlafaxine XR (funded by the National Institute of Disability and Rehabilitation Research) Duties Include: IRB management, coordinated site data collection, supervised two research assistants, data analysis and dissemination, budget planning and review.
Publications and Presentations
Pigott, T. D., Valentine, J. C., Williams, R. T., & Canada, D. (March, 2010). Evaluation of
biased outcome reporting in education research. Paper presented at the annual meeting of the Society for Research on Educational Effectiveness, Washington, DC. Williams, R. T., & Pigott, T. D. (July, 2009). Using item response theory methods to evaluate quality assessment methods in meta-analysis. Paper to be presented at the annual meeting of the Society for Research Synthesis Methodology, Seattle, WA. Williams, R. T., & Pigott, T. D. (May, 2009). Evaluating quality assessment methods for systematic review. Paper presented at the Ninth Annual Campbell Colloquium, Oslo, NO. Williams, R. T., Heinemann, A. W., Wilson, C. S., Bode, R. K., Fann, J. R. Tate, D. R., & PRISMS Investigators (2009). Improving measurement properties of the PHQ-9 with rating scale analysis. Rehabilitation Psychology, 54, 198-203. Williams, R. T. & Pigott, T. D. (April, 2009). Examining the psychometric properties of the Study Design and Implementation Device (DIAD). Paper presented at Annual meeting of the American Educational Research Association, San Diego, CA. Williams, R. T., Heinemann, A. W., Wilson, C., Bombardier, C. H., & PRISMS Investigators (February, 2009). Depression measurement after SCI: An extended evaluation. Poster presented at Division 22 & Division 38 of the American Psychological Association mid-year conference, Jacksonville, FL. Wu, M., Pigott, T. D., & Williams, R. T. (May, 2008). Methods for synthesizing the results of regression: An empirical example of applying multiple imputation. Paper presented at the Eighth Annual Campbell Colloquium, Vancouver, BC. Williams, R.T., Heinemann, A. W., Wilson, C. Bombardier, C.H. & Pentz, L. (August, 2008). Improving the measurement properties of the PHQ-9 with rating-scale analysis. Poster presented at the American Psychological Association Conference, Boston, MA. Telander, K. J., Lamp, K. E., Tramayne, S., Hoxha, D., Hacker, J., Luginbuhl, P., Williams, R. T., Fan, X., Li, J., Decraene, A., Gonzalez, V., & Brown, S. D (August, 2008). The influence of contextual supports and barriers to on career outcomes: A meta-analysis. Poster presented at the American Psychological Association Conference, Boston, MA. Williams, R. T., Heinemann, A. W., Wilson, C., Bombardier, C. H., & Pentz, L. (April, 2008). Advancing depression measurement in rehabilitation: New insights from Rasch modeling. Poster presented at Division 22 & Division 38 of the American Psychological Association mid-year conference, Tucson, AZ. Vera, E. M., Bena, K., Dick, L., Wiede, L., Merle, C., Corona, R., Tramayne, S. R., Blackmon, S., Lamp, K., Steele, J., Mitchell, A., Jorgenson, K., Luginbuhl, P., & Williams, R. (August, 2007). Buffering the effects of stress on subjective well-being in urban adolescents: Humor and venting as coping mechanisms. Poster presented at the American Psychological Association Conference, San Francisco, CA.
Pigott, T. D., Valentine, J. C., Williams, R. T., & Canada, D. (In Progress). An evaluation of
biased outcome reporting in educational intervention research. Williams, R. T., Heinemann, A. W., Wilson, C. S., Tate, D. G., Richards, S., Fann, J. R., & Bombardier, C. H. (In Progress). Assessing depression risk factors following traumatic spinal cord injury using cumulative logit models. Williams, R. T. (In Progress). Using research synthesis to estimate the prevalence of depressive disorders in persons with traumatic spinal cord injury.
Campbell Collaboration May 2009 – present Methods Group Managing Editor (under Terri Pigott – Methods Editor) Campbell Collaboration, Methodological Referee, 2008 – present Frontiers in Quantitative Psychology and Measurement, Editorial Board Member, 2010 - present Conference/Organizational Services
Campbell Collaboration annual Campbell Colloquium, Paper and Workshop Reviewer, 2008 – 2009 Division 22 of the American Psychological Association: Rehabilitation Psychology, Poster Reviewer, 2007 Joint Cochrane-Campbell Collaboration Colloquium, Workshop Reviewer, 2010 Teaching
RMTD 404, Introduction to Educational Statistics, Instructor, Loyola University Chicago, Summer 2009, Summer 2010 RMTD 421, Building a Body of Evidence with Quantitative Methods, Graduate Teaching Assistant, Loyola University Chicago, Spring 2009, Spring 2010 Professional Membership
American Educational Research Association
American Psychological Association (Division 5, Division 22)
Association for Psychological Science
American Statistical Association
Campbell Collaboration (Methods Group)
Society for Research on Educational Effectiveness
Proficient in the following statistical packages: R, Stata, SAS, SPSS, Winsteps, BILOG/MULTILOG, MetaAnalyst, Comprehensive Meta Analysis Proficient in Microsoft Office: Word, Excel, Access, PowerPoint and Outlook.
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