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Associate Commissioner | ||||
| This position is currently vacant. | |||
Senior Survey Methodologists | ||||
| Polly Phipps | (202) 691-7513 | Survey measurement error, data quality measures, questionnaire and instrument design, response rates, modeling of nonresponse, nonresponse bias. | |
| William Mockovak | (202) 691-7414 | Questionnaire design, cognitive interviewing, Web surveys, usability testing, information architecture, CASIC applications, interviewer training. | |
Senior Mathematical Statistician | ||||
| Daniell Toth | (202) 691-7380 | Machine learning, nonparametric regression, estimation and inference with complex sample survey data, time series analysis. | |
Senior Research Psychologist | ||||
| This position is currently vacant. | |||
General Information | ||||
Pamela Anderson | (202) 691-7375 |
Director | Areas of Research | ||
| Wendy Martinez | (202) 691-7400 | Computational statistics, exploratory data analysis, data visualization, outlier detection, statistical pattern recognition, spatial statistics, and the analysis of unstructured text. |
Research Mathematical Statisticians | Areas of Research | ||
| Moon Jung Cho | (202) 691-7384 | Resampling variance estimation method, bootstrap variance estimation method, Balanced Repeated Replicate (BRR) method, missing or fragmented data, modeling of survey response rates. |
| Dan Gillman | (202) 691-7523 | Statistical metadata, metadata standards, automated coding, terminology. |
| Steve Miller | (202) 691-7379 | Statistical Methods, Measurement Error, Analysis of Data from Complex Surveys, Variance Estimation, and Inference. |
| Randall Powers | (202) 691-7381 | Nonresponse, data visualization, taxonomies. |
| Terrance Savitsky | (202) 691-7382 | Bayesian non-parametric inference focused on discovering sub-groups or sub-sets of the data with distinct behavioral profiles or high relevance. Methods include non-parametric prior formulations including dependent Dirichlet processes to discover sub-groups, anistropic Gaussian processes for non-linear functional data estimation, and factor analytic methods to uncover sparse latent constructs. |
| Michael Sverchkov | (202) 691-7374 | Estimation and inference with complex sample survey data, variance estimation, small area estimation, calibration, time series analysis. |
| Daniel Yang | (202) 691-7530 | Statistical disclosure limitation, top–coding, double-hurdle model, informed consent-to-link, respondent burden perception, recursive partitioning for complex design. |
ASA/NSF/BLS Research Fellows | Areas of Research | ||
Stephanie Eckman | (202) 691-6278 | Coverage error; measurement error; respondent and interviewer incentives; use of GIS in surveys. | |
Monika Hu | (202) 691-7412 | Bayesian education, Bayesian methods, blended/hybrid learning, data confidentiality, missing data, multiple imputation, non-parametric Bayes, synthetic data. | |
Phil Kott | (202) 691-7568 | Calibration weighting; Variance estimation; Analysis of complex survey data; Multi-phase sampling and estimation. |
Director | Areas of Research | ||
Jennifer Edgar | (202) 691-7528 | Context effects, qualitative research methods, cognitive sources of measurement error, questionnaire design, interviewer training and evaluation. | |
Research Psychologists | Areas of Research | ||
Jean Fox | (202) 691-7370 | Usability, user experience, user interface design, usability testing, computer-assisted data collection. | |
Robin Kaplan | (202) 691-7383 | Cognitive sources of measurement error, memory retrieval, context effects, questionnaire design, experimental and qualitative research methods, usability. | |
Brandon Kopp | (202) 691-7514 | Nonresponse and measurement errors, questionnaire and instrument design, cognitive interviewing, usability. | |
Erica Yu | (202) 691-7924 | Cognitive sources of measurement error, experimental methods, questionnaire design, interviewer behavior. | |
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Research Statisticians | Areas of Research | ||
| David Biagas | (202) 691-5558 | Cognitive sources of measurement error, experimental design, questionnaire design, response rates, and interviewer effects . |
| John Dixon | (202) 691-7516 | Nonresponse, nonsampling error, item nonresponse, measurement error, structural equation models, missing data problems, categorical data, psychometrics, multivariate methods, classification and clustering. |
| Morgan Earp | (202) 691-7387 | Survey measurement error, nonresponse bias, experimental design, decision tree modeling, structural equation modeling, instrument design, and psychometrics |
| Josh Langeland | (202) 691-5037 | Adaptive Design; contact strategies; nonresponse adjustment; electronic response in establishment surveys |
Cognitive Laboratory | |||
| Stella Godbolt | (202) 691-7524 | Schedules participants for studies, maintains database of volunteers, coordinates and assists with studies. |