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Sunday, 08/04/2013
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Using Family Members to Augment Genetic Case-Control Studies of a Life-Threatening Disease
Lu Chen, University of Pennsylvania; Jinbo Chen, University of Pennsylvania School of Medicine; Clarice R. Weinberg, National Institute of Environmental Health
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A New Modeling Approach for Quantifying Expert Opinion in the Drug Discovery Process
Ariel Alonso, Maastricht University; Elasma Milanzi, I-Biostat, Hasselt University, Belgium; Geert Molenberghs, Universiteit Hasselt & Katholieke Universiteit Leuven; Christophe Buyck, Janssen Pharmaceutica; Luc Bijnens, Janssen Pharmaceutica
2:20 PM
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Randomized Experiments for Measuring Brand Effectiveness of Online Video Ads
Lu Zhang, Google; Tim Hesterberg, Google; Philip Clarkson, Google; Sheng Ma, Google; Taylan Yildiz, Google
2:25 PM
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Teacher Effectiveness Index as an Aid to Determine Performing Teachers for Promoting Excellence in Education
Avi Singh, NORC at the University of Chicago; Eric C. Hedberg, NORC at the University of Chicago; Tom B. Hoffer, NORC at the University of Chicago; Arend M. Kuyper, Northwestern University
2:35 PM
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Investigating Risk Factors Associated with the Geographical Distribution of Disease Using Aggregate and Individual-Level Data
Michelle Ross, University of Washington
2:50 PM
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FDA/CBER Biologic Product Evaluation Using Observational Studies
Yun Lu, Food and Drug Administration
4:05 PM
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Bias Analysis of Average Weekly Earnings in the Current Employment Statistics Survey
Diem-Tran Kratzke, BLS
4:35 PM
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Gene Filtering for Time Course Gene Expression Data Using the Growth Curve Model
Sayantee Jana, McMaster University; Narayanaswamy Balakrishnan, McMaster University; Dietrich von Rosen, Swedish University of Agricultural Sciences; Jemila Hamid, McMaster University
4:35 PM
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A Regression Tree Approach to Subgroup Identification for Censored Data
Wei-Yin Loh, University of Wisconsin; Michael Man, Eli Lilly; Xu He, Chinese Academy of Sciences
4:45 PM
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Issues of Misspecified Measurement Error Models for Survival Data with Covariate Measurement Error
Ying Yan, University of Waterloo; Grace Y Yi, University of Waterloo
4:50 PM
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Model and Data Uncertainty in Model Averaging in Dose Response Assessment
Hojin Moon, California State University, Long Beach; Steven Kim, University of California, Irvine; James Chen, National Center for Toxicological Research, FDA; Ralph Kodell, University of Arkansas for Medical Sciences
5:05 PM
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A Nonparametric Omnibus Independence Test Based on Copula Density
Gery Geenens, UNSW
5:20 PM
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Monday, 08/05/2013
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Sampling Asians in the National Health and Nutrition Examination Survey
Margaret Carroll, NCHS/CDC
7:01 AM
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Bias Correction Methods for Misclassified Covariates in the Cox Model: Comparison of Five Correction Methods by Simulation and Data Analysis
Heejung Bang, University of California Davis
8:35 AM
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Kuk's Model Adjusted for Efficiency and Protection Using Two Non-Sensitive Questions Unrelated to the Characteristic of Interest
Stephen Andrew Sedory, Texas A&M University-Kingsville; Shu-Ching Su, Texas A&M University - Kingsville; Sarjinder Singh, Texas A&M University-Kingsville
8:50 AM
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Composite Estimation in Current Population Survey
Jun Shao, University of Wisconsin; Zhou Yu, University of Wisconsin-Madison
9:00 AM
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Correcting Bias in Effects of Risk Factors in Longitudinal Studies Due to Non-Random Missingness Using Auxiliary Data
Charles Hall, Albert Einstein College of Medicine; Culing Wang, Albert Einstein College of Medicine; Mindy Katz, Albert Einstein College of Medicine; Richard Lipton, Albert Einstein College of Medicine
9:20 AM
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Estimation on the Semiparametric Transformation Models with Length-Biased Data
Yu-Jen Cheng, National Tsing Hua University; Chiung-Yu Huang, National Institute of Allergy and Infectious Diseases; Meng-Tang Pan, Institute of Statistics, National Tsing Hua University
9:20 AM
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Generalized Jackknife Estimators of Weighted Average Derivatives
Matias Damian Cattaneo, University of Michigan; Richard Crump, Federal Reserve Bank of New York; Michael Jansson, University of California at Berkeley
10:35 AM
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How Representative Are Google Consumer Surveys?: Results from an Analysis of Google Consumer Survey Questions Relative to National Level Benchmarks
Erin Tanenbaum, NORC at the University of Chicago; Michael Stern, NORC at the University of Chicago; Parvati Krishnamurty, NORC, at the University of Chicago
10:35 AM
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Tumor Dynamics and Central-Review Bias in Progression-Free Survival Clinical Trials
Jonathan Siegel, Bayer HealthCare Pharmaceuticals
11:05 AM
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Nationwide Surveys in Mexico Based on a Mobile Phone Sampling Design
Olivia Carrillo-Gamboa, ITESM
11:05 AM
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Improving the Finite-Sample Performance of Doubly Robust Estimators Through Focused Nuisance Parameter Estimation
Karel Vermeulen, Ghent University; Stijn Vansteelandt, Ghent University
11:15 AM
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Corrected False-Discovery Rate for Removing the Gene-Set-Level Bias of RNA-Seq
Seongmun Jeong, Myongji University; Tae Young Yang, Myongji University
11:20 AM
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The Prevention and Detection of Differential Measurement Biases in Analyses of Multiply Measured Outcomes
Karen Bandeen-Roche, Johns Hopkins Bloomberg School of Public Health; Yuxin Zhu, Nanjing University
11:50 AM
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Calibration Weighting: What We Know Now, What We Still Need to Know
Phil Kott, RTI International
12:31 PM
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A Hybrid Bayesian Hierarchical Model Combining Cohort and Case-Control Studies for Meta-Analysis of Diagnostic Test: Accounting for Disease Prevalence and Partial Verification Bias
Xiaoye Ma, University of Minnesota; Haitao Chu, University of Minnesota School of Public Health; Yong Chen, The University of Texas School of Public Health; Stephen R. Cole, The University of North Carolina at Chapel Hill
2:05 PM
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Multistate Models for the Evaluation of Screening Interventions in Family Designs
Laurent Briollais, Samuel Lunenfeld Research Institute; Yun-Hee Choi, Western University; Yildiz Yilmaz, University of Toronto
2:20 PM
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Bias and Variance Improvements in Nonparametric Estimation of Time-Dependent Accuracy Measures
Chin-Tsang Chiang, National Taiwan University
2:35 PM
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Bias Correction for Covariance Parameter MLEs in GLMMs
Elizabeth Claassen, University of Nebraska-Lincoln; Christopher Gotwalt, SAS Institute; Walt W. Stroup, University of Nebraska-Lincoln
2:35 PM
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Asymptotic Biases and Misspecified Models for Missing Data
Melanie Poulin-Costello, Amgen; Michael McIsaac, Department of Statistics and Actuarial Science University of Waterloo; Richard Cook, University of Waterloo
2:35 PM
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Improving the Estimates of Variance Ratios and BLUPs of Mixed-Effects Models
Samaradasa Weerahandi, Pfizer; Malwane Ananda, University of Nevada, Las Vegas
3:05 PM
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Properties of Slope Estimators Associated with Random Slope Models
Brian Gray, U.S. Geological Survey; Vyacheslav Lyubchich, University of Waterloo, Canada; Yulia R. Gel, University of Waterloo
3:25 PM
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Tuesday, 08/06/2013
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Efficient Estimation of the Regression Parameter in Forward and Backward Recurrence Time Data Using the Accelerated Failure Time Model
Pourab Roy, The University of North Carolina at Chapel Hill; Michael R. Kosorok, The University of North Carolina-Chapel Hill; Jason Fine, The University of North Carolina Chapel Hill
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How Biomarker Collection Date Influence Death Rates
Ngoc Ho
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What Makes Us Exploit the Community? The Influence of Individual Characteristics on Committing Tax Evasion and Insurance Fraud
Ivar Krumpal, University of Leipzig
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Enhancing the Quality of Price Index Estimates Combining Updated Weights: A More Representative Sample Design and a Different Aggregation Structure
Daniele Toninelli, University of Bergamo; Zdenek Patak, Statistics Canada; Martin Beaulieu, Statistics Canada
9:20 AM
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Evaluating Interviewer Observations in the National Health Interview Survey: Associations with Response Propensity
Chandra Erdman, U.S. Census Bureau; James Dahlhamer, National Center for Health Statistics
9:35 AM
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Comparison of Permutation Tests and GEE Methods for Group-Randomized Trials with Count Data
Ping Xu, Axio Research Coporation; Brian Leroux, University of Washington
9:55 AM
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On the Choice of Tuning Constants for Winsorized Estimators
David Haziza, Université de Montréal; Cyril Favre-Martinoz, CREST/ENSAI; Jean-Francois Beaumont, Statistics Canada
10:35 AM
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Evaluation of Propensity Score Methods for Multiple Treatment Groups
Lucia Mirea, Maternal-Infant Care Research Centre; Junmin Yang, Maternal-Infant Care Research Centre; Prakesh Shah, Maternal-Infant Care Research Centre; Shoo Lee, Maternal-Infant Care Research Centre
10:35 AM
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Adjustment of Health Care Risk Estimates Based on Observational Data
Kenneth Lopiano, SAMSI; Robert L. Obenchain, Risk Benefit Statistics LLC
11:05 AM
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Modeling Left-Truncated and Right-Censored Survival Data with Longitudinal Covariates
Yu-Ru Su, National Cheng Kung Univeristy; Jane-Ling Wang, UC Davis
11:05 AM
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Bias in CMAQ Prediction for Ozone Concentration
Ryan Durden, NC State University; Sarah Cummings, North Carolina State University
11:05 AM
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Bias Analysis for the Use of Spatially Predicted Air Pollution Exposures in Linear Models of Air Pollution Health Effects
Stacey Alexeeff, Harvard University; Raymond J. Carroll, Texas A&M University; Brent A. Coull, Harvard School of Public Health
11:20 AM
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Estimating Bias-Corrected Mutual Information for Analysis of Large Complex Data Sets
Susan Wilson, ANU & UNSW; Chris Pardy, University of New South Wales
11:35 AM
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Evaluating Treatment Effectiveness Under Model Misspecification: A Comparison of Targeted Maximum Likelihood Estimation with Bias-Corrected Matching
Noemi Kreif, London School of Hygiene and Tropical Medicine; Susan Gruber, Harvard School of Public Health; Rosalba Radice, Birkbeck, University of London; Richard Grieve, London School of Hygiene and Tropical Medicine; Jasjeet S. Sekhon, University of California, Berkeley
11:55 AM
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Unbiased Estimation in the Presence of Left-Truncation and Time-Dependent Exposures
Alex Bliu, McGill University ; Erica E. M. Moodie, McGill University
2:05 PM
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Phase II/III Seamless Adaptive Dose-Selection Design for Longitudinal Patient Data
Caitlyn Ellerbe, Medical University of South Carolina; Jordan Elm, Medical University of South Carolina; Viswanathan Ramakrishnan, Medical University of South Carolina; Bruce Turnbull, Cornell University; Stacia DeSantis, The University of Texas Health Sciences; Edward Jauch, Medical University of South Carolina; Valerie Durkalski, Medical University of South Carolina
2:05 PM
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Two-Step Calibration of Design Weights in Survey Sampling
Sarjinder Singh, Texas A&M University-Kingsville; Stephen Andrew Sedory, Texas A&M University-Kingsville
2:20 PM
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Assessment of Biomarker Prediction Accuracy Under Marker-Dependent Sampling
Xiaofei Wang, Duke University Medical Center; Junling Ma, Shanghai University of Finance and Economics; Stephen George, Duke University Medical Center
2:25 PM
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Robust Outcome-Dependent Sampling for Continuous- and Counted-Response Longitudinal Data
Paul J. Rathouz, University of Wisconsin School of Medicine and Public Health; Lee McDaniel, University of Wisconsin-Madison; Jonathan S. Schildcrout, Vanderbilt University
2:30 PM
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Biased Interim Results Due to Regional Difference
Jun Zhao, Merck & Co, Inc; Gang Li, Johnson & Johnson
2:35 PM
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Improved Sampling Weight Calibration by Generalized Raking with Optimal Unbiased Modification
Avi Singh, NORC at the University of Chicago; Nadarajasundaram Ganesh, NORC at the University of Chicago; Yongheng Lin, NORC at the University of Chicago
2:35 PM
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Semiparametric Partial Area Under the ROC Curve Estimation Using Test-Dependent Sampling
Bethany Horton, UNC Chapel Hill; Haibo Zhou, The University of North Carolina at Chapel Hill
2:35 PM
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We Need to Teach Our Health Science Students How to Handle Missing Data
Charles Goldsmith, Simon Fraser University
2:50 PM
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The Impact of Exposure Misclassification and Exposure-Biased Sampling on Power for Detecting Gene-by-Environment Interactions in Case-Control Studies
Bhramar Mukherjee, University of Michigan
2:55 PM
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A Bayesian Hierarchical Model for Network Meta-Analysis with Selection Bias
Jing Zhang, University of Minnesota School of Public Health; Bradley P. Carlin, University of Minnesota; Hwanhee Hong, Division of Biostatistics, University of Minnesota; James Neaton, University of Minnesota; Guoxing (Greg) Soon, FDA; Beth A. Virnig, Division of Health Policy and Management, University of Minnesota School of Public Health; Haitao Chu, University of Minnesota School of Public Health
3:05 PM
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Advances in Functional Mixed Models
Tapabrata Maiti, Michigan State University; Samiran Sinha, Texas A&M University; Ping-Shou Zhong, Michigan State University
3:05 PM
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Estimating a Three-Level Contextual Effects Model Given Error-Prone Measures of Contextual Variables and Missing Data
Yongyun Shin, Virginia Commonwealth University
3:20 PM
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Wednesday, 08/07/2013
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Effect Size Indices for Artificially Dichotomized Variables Measured with Error: An Empirical Investigation of Accuracy and Precision
Jeffrey D. Kromrey, University of South Florida; Isaac Li, University of South Florida; Patricia Rodriguez de Gil, University of South Florida; Patrice Rasmussen, University of South Florida; Jeanine Romano, University of South Florida; Aarti Bellara, University of South Florida; Harold Holmes, University of South Florida; Yi-Hsin Chen, University of South Florida; Rheta E. Lanehart, University of South Florida; George MacDonald, University of South Florida
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Covariate Measurement Error in Propensity Score Analysis: An Empirical Investigation of Impacts on Treatment Effect Estimates
Jeffrey D. Kromrey, University of South Florida; Patricia Rodriguez de Gil, University of South Florida; Eun Sook Kim, University of South Florida; Aarti Bellara, University of South Florida; Rheta E. Lanehart, University of South Florida; Tyler Hicks, University of South Florida; Reginald Lee, University of South Florida
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Functional Methods for Reaching Trajectory Experiments
Jeff Goldsmith, Columbia University; Tomoko Kitago, Columbia University; John Krakauer, Johns Hopkins University; Ciprian M. Crainiceanu, The Johns Hopkins University
8:35 AM
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Analyzing Length-Biased Survival Data Using the R Package Lbiassurv
Pierre-Jérôme Bergeron, University of Ottawa; Vahid Partovi Nia, École Polytechnique Montréal
8:50 AM
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Comparisons of CPS Unemployment Estimates by Rotation Panel
Yang Cheng, U.S. Census Bureau; Michael D. Larsen, The George Washington University; Alexander Wakim, University of North Caroline
9:20 AM
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M-Bias and Butterfly-Bias in the Gaussian Linear Structural Equation Models
Peng Ding, Harvard University; Luke Miratrix, Harvard University
10:05 AM
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Statistically and Computationally Efficient Estimating Equations for Large Spatial Data Sets
Ying Sun, The University of Chicago; Michael L Stein, The University of Chicago
10:50 AM
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Online Updating and Scheduling of Computer Models with Application to Data Center Thermal Management
Huijing Jiang, IBM T.J. Watson Research Center; Xinwei Deng, Virginia Tech; Vanessa Lopez, IBM T.J. Watson Research Center; Hendrik F. Hamann, IBM T. J. Watson Research Center
10:50 AM
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Nonresponse Bias in the Survey of Occupational Injuries and Illnesses
Erin Huband; Patrick Bobbitt, Bureau of Labor Statistics
10:50 AM
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Phylogenetic bias in the likelihood method caused by missing data
Xuhua Xia, University of Ottawa
11:15 AM
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Adjusting for Selection Bias in Single-Blinded Randomized Controlled Clinical Trials
Lieven Kennes, RWTH Aachen University
11:15 AM
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Guarantee Time Bias: A Discussion About the Analysis of Survival by Tumor Response and Other Comparisons of Time-to-Event by Outcome Variables
James R. Anderson, University of Nebraska Medical Center; Robert W. Makuch, Yale School of Public Health; Anita Giobbie-Hurder, Department of Biostatistics and Computational Biology, Dana-Farber Cancer Institute; Nicholas Jewell, University of California Berkeley
2:05 PM
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Composite Partial Likelihood Estimation Under Length-Biased Sampling, with Application to a Prevalent Cohort Study of Dementia
Chiung-Yu Huang, National Institute of Allergy and Infectious Diseases; Jing Qin, National Institutes of Health, BRB
2:05 PM
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Calibrating Sensitivity Analysis to Observed Covariates in Observational Studies
Jesse Yenchih Hsu, University of Pennsylvania; Dylan S Small, University of Pennsylvania
2:35 PM
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Bias-Corrected Bayesian Classification with Selected Features
Longhai Li
2:35 PM
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Estimation of Treatment Effects in Cluster-Randomized Trials by Calibrating Covariate Imbalances Between Clusters
Zhenke Wu, Johns Hopkins University; Constantine E. Frangakis, Department of Biostatistics, Johns Hopkins University; Thomas A. Louis, Johns Hopkins Bloomberg School of Public Health; Daniel Scharfstein, Johns Hopkins Bloomberg School of Public Health
2:35 PM
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Randomization Metrics: Jointly Assessing Predictability and Efficiency Loss in Covariate Adaptive Randomization Designs
Dennis Sweitzer, Medidata Solutions
2:50 PM
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Inference of ROC Curves in the Presence of Verification Bias for Multiphase Studies
Hua He, University of Rochester; Wan Tang, University of Rochester
2:50 PM
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Investigating the Bias of Alternative Statistical Inference Methods in Mixed-Mode Surveys
Zeynep Tuba Suzer-Gurtekin, ISR - University of Michigan; Steven G. Heeringa, ISR - University of Michigan - Program in Survey Methodology; Richard Valliant, University of Michigan and University of Maryland
2:50 PM
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Analyzing Length-Biased Right-Censored Data with Uncertain Onset Time
Jun Liu, Univ of Texas MD Anderson Cancer Center; Jing Ning, The University of Texas MD Anderson Cancer Center; Yu Shen, UT M D Anderson Cancer Center
2:50 PM
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Mode Effect Analysis and Adjustment in a Split-Sample Mixed-Mode Web/CATI Survey
Stanislav Kolenikov, Abt SRBI; Courtney Kennedy-Shea, Abt SRBI
3:05 PM
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Inclusion/Exclusion Criteria for Bias-Amplifying Covariates: A Sensitivity Analysis Framework
Marc Scott, New York University; Joel Middleton, Steinhardt School, New York University
3:05 PM
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Assessing Nonresponse Bias in the Green Technologies and Practices Survey
Brian Meekins, U S Bureau of Labor Statistics; Michael Sverchkov, US Bureau of Labor Statistics; Sharon Stang, Bureau of Labor Statistics
3:20 PM
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Front-Door Versus Back-Door Adjustment with Unmeasured Confounding: Bias Formulas for Front-Door and Hybrid Adjustments
Adam Glynn, Harvard University; Konstantin Kashin, Harvard University
3:35 PM
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Thursday, 08/08/2013
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Analysis on Generalized Variance Function Estimators from Complex Sample Surveys
MoonJung Cho, US Bureau of Labor Statistics
8:35 AM
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Correcting the Bias of Variable Selections in Cost-Sensitive Learning
Hongjuan Liu; Bei Zhou, Johnson & Johnson Pharmaceutical R&D
8:50 AM
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Benchmarked Empirical Bayes Small-Area Estimators Under Multiplicative Models
Malay Ghosh, University of Florida
9:00 AM
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Multiple Imputation for Nonignorable Missingness: Evaluating Alternative Nonresponse Bias Adjustment Cells
Rebecca Roberts Andridge, The Ohio State University College of Public Health; Katherine Jenny Thompson, U.S. Census Bureau
9:25 AM
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Opening the Box: What We Already Know and Don't Know Yet About the Response Process in the European Social Survey
Ineke Stoop, SCP
9:55 AM
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Exploring Organizational Characteristics and Design Features Affecting Nonresponse in Surveys of Nonprofit Organizations
Ashley Bowers, Indiana University; Beth Gazley, Indiana University; Chelsea Killam, ASAE Foundation; Sharon Moss, ASAE Foundation
10:50 AM
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Estimating Mode Effects Without Bias: A Randomized Experiment to Compare Mode Effects Between Face-to-Face Interviews and Web Surveys
Douglas Rivers, Stanford University; Lynn Vavreck, UCLA
11:05 AM
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Unbiased Small Sample Size Determination for Major Statistical Parameters
Eugene Demidenko, Dartmouth Medical School
11:05 AM
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A Surprising Bias in Functional Data Analysis and Its Solution
Junshui Ma, Merck & Co., Inc.; Vladmir Svetnik, Merck & Co., Inc.
11:05 AM
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Techniques for the Construction of Robust Regression Designs
Maryam Daemi, University of Alberta; Douglas P. Wiens, University of Alberta
11:05 AM
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Simulation Approach for Determining Use of Mahalanobis Distance to Reduce Nonresponse Bias
Jennifer Cooney, RTI International; Peter Siegel, RTI International; Melissa Cominole, RTI International; Bryan Shepherd, RTI International
11:20 AM
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Treatment of Outcome-Related Nonresponse in an International Literacy Survey
Wendy Van de Kerckhove, WESTAT; Leyla Mohadjer, Westat; Tom Krenzke, Westat
12:05 PM
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