Symposium: How to Get New Insights from Cross Sectional and Panel Studies

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October 19, 2013: On November 13, The Methodology Center and The Prevention Research Center will co-host a symposium, “The Future of Regression: Time-Varying Effect Models to Explore Historical and Developmental Shifts in Coefficients,” featuring former and current Prevention and Methodology Training (PAMT) fellows Sara Vasilenko and Rebecca Evans-Polce and Methodology … Continue reading

2013 Summer Institute Trains Scientists on Latent Class Models

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July 10, 2013: Last month, Drs. Stephanie Lanza and Bethany Bray presented the 2013 Summer Institute on Innovative Methods, “Introduction to Latent Class Analysis (LCA).” The two-day session covered basic and advanced LCA topics including LCA with groups, LCA with covariates, and LCA with a distal outcome. Participants received training … Continue reading

Come See Us at SPR!

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May 28, 2013: Society for Prevention Research (SPR) Annual Meeting San Francisco, CA, May 28-31, 2013 The Methodology Center will be active at the upcoming annual meeting of the Society for Prevention Research (SPR).  At this year’s conference, The Science of Prevention: Building a Comprehensive National Strategy for Well-Being, we … Continue reading

Debashis Ghosh to Chair NIH Study Section

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May 15, 2013: It’s been a good spring for Debashsis Ghosh, who has accepted an invitation to serve as chairperson of the Biostatistical Methods and Research Design Study Section at NIH’s Center for Scientific Review for the next two years. Members of study sections are selected on the basis of … Continue reading

Debashis Ghosh awarded the Mortimer Spiegelman Award

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May 6, 2013: Debashis Ghosh has been awarded the 2013 Mortimer Spiegelman Award. The award was created in 1970 by the Applied Public Health Statistics Section of the American Public Health Association (APHA) to honor a statistician, 40 years of age or younger, who has made outstanding contributions to health … Continue reading

Software: New Version of PROC LCA

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April 16, 2013: The Methodology Center is pleased to release the latest version (1.3.0) of the SAS procedure PROC LCA for conducting latent class analysis (LCA). The software is available for download free of charge. The download also contains PROC LTA, the SAS Procedure for latent transition analysis. For an … Continue reading

Innovation: Power Curves for Latent Class Analysis

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March 28, 2013: Latent class analysis (LCA) is a tool used by behavioral scientists to identify subgroups within a population. When conducting LCA, choosing the number of classes (subgroups) in the model is a critical step. Some software, like the Methodology Center’s Bootstrapping Macro for PROC LCA, allows users to … Continue reading

Upcoming Talk at NIH: Developing Behavioral Interventions

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March 4, 2013: As part of the “Mind the Gap NIH Seminar Series,” Methodology Center Director Linda Collins will give a talk at the National Institutes of Health (NIH) in Washington, D.C., on March 26, 2013, about using the multiphase optimization strategy (MOST) to develop behavioral interventions for smoking cessation, … Continue reading

Software: LCA Stata Plugin

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February 25, 2013: The Methodology Center is pleased to announce our first software release compatible with Stata, the LCA Stata Plugin for conducting latent class analysis (LCA). The software is available for download free of charge from our software page. The LCA Stata Plugin is based on version 1.2.7 of … Continue reading

Summer Institute on Latent Class Analysis (LCA)-

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February 21, 2013: We are pleased to announce that Methodology Center Investigators Stephanie Lanza and Bethany Bray will present this year’s Summer Institute on Innovative Methods, “Introduction to Latent Class Analysis.” Sponsored by the Methodology Center and the National Institute on Drug Abuse, the 18th Summer Institute will present the … Continue reading

Free Faculty Workshop on Causal Inference with Lunch

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February 12, 2013: PhD-level researchers at Penn State: do you want to learn about applying cutting-edge methods in your work but have trouble finding time? Try A Taste of Methodology, a semiannual workshop series for faculty with lunch included. The objective is to provide you an efficient way to assess … Continue reading

Podcast: Using Propensity Scores in Causal Inference

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April 13, 2012: As a preview for the upcoming Summer Institute, we recorded a podcast with Donna Coffman, Methodology Center Principal Investigator, and Max Crowley, doctoral candidate, on how to use propensity scores in causal inference when a study is not randomized. Donna will present “Propensity Score Methods for Causal Inference” at … Continue reading