Join Us at SPR!

April 30, 2019: Join us at the Society for Prevention Research (SPR) 2019 Annual Meeting, May 28 through 31 in San Francisco. Methodology Center researchers will present symposia, talks, posters, a technical demonstration, and participate in the SPR Cup. We hope to see you there! Below is a list of the places where you can … Continue reading

Video Overview of Latent Transition Analysis (LTA)

Bethany Bray

April 22, 2019: Our latest video provides a 15-minute conceptual overview of latent transition analysis (LTA). Methodology Center Investigator Bethany Bray uses an analysis about ex-smokers to demonstrate the types of questions LTA can answer and how LTA differs from LCA. Latent transition analysis (LTA) and latent class analysis (LCA) are closely related … Continue reading

New TVEM SAS Macro Accommodates Survey Weights and Clusters


April 12, 2017: We are pleased to release the newest extension of our TVEM (time-varying effect model) software. The %WeightedTVEM SAS macro (version 2.6) fits TVEMs on complex datasets that involve clustering (e.g., students are nested within schools) and survey weights (e.g., participants represent different numbers of population members due to systematically unequal probabilities of … Continue reading

Esra Kurum Receives Distinguished Alumni Award

Linda Collins and Esra Kurum

March 21, 2019: Congratulations to Esra Kurum, assistant professor of statistics at University of California Riverside, recipient of The Methodology Center 2018 Distinguished Alumni Award. Esra develops models for time series and repeated measures longitudinal data. More specifically, she models time-varying trends in data and explores relationships between variables that … Continue reading

Video: Two-Hour Webinar on Latent Class Analysis (LCA)

Bethany Bray

March 19, 2019:   Thanks to all who participated in our 1 & 1 workshop on latent class analysis (LCA). This is a video of the webinar that Methodology Center Associate Director Bethany Bray presented on Thursday, February 26, 2019. The video includes both the one-hour presentation and the one-hour question-and-answer session that followed. This recording is … Continue reading

Featured Article: LCA of How Child Maltreatment Affects Later Life

February 20, 2019: Research has shown that exposure to child maltreatment increases the risk for many negative outcomes throughout the lifespan, including post-traumatic stress disorder, depression, and problem substance use. In a new article in Emerging Adulthood, Methodology Center Investigators Kate Guastaferro and Bethany Bray examined how the experience of different patterns of childhood maltreatment … Continue reading

Join us for “MOST-ly Mingling” at SBM

February 13,2019: On March 6, Linda Collins and Kate Guastaferro will present the pre-conference workshop “Introduction to MOST for Building More Effective, Efficient, Economical, and Scalable Behavioral Interventions” at the Society for Behavioral Medicine 40th Annual Meeting. That evening, there will be an informal gathering from 6:30 to 7:30-ish at … Continue reading

Summer Institute on Mixed-Effects Location Scale Modeling

January 28, 2019: We are pleased to announce that Donald Hedeker will present this year’s Summer Institute on Innovative Methods, “Variability in Intensive Longitudinal Data: Mixed-Effects Location Scale Modeling.” During the Summer Institute, Don will provide attendees with the theoretical background and applied skills necessary to use basic two- and three-level mixed models, … Continue reading

Free, Two-Hour, Webinar on Latent Class Analysis

Bethany Bray

January 22, 2019: For our next 1 & 1 webinar, Methodology Center Associate Director Bethany Bray will present an introduction to latent class analysis (LCA). 1 & 1 workshops consist of a one-hour live video presentation on a method followed by a one-hour question-and-answer session with the presenter. The workshop will be held on Tuesday, February … Continue reading

Video: Webinar on Multilevel Modeling

Webinar on Multilevel Modeling

January 09, 2019: This is a video of the webinar on multilevel modeling (MLM) for intensive longitudinal data that Methodology Center Investigator Michael Russell presented on November 14, 2018. The video includes both the presentation and the question-and-answer session that followed. Portions of the video were re-recorded due to audio problems with recording of the original … Continue reading

Coffee Hour for Research Faculty

December 12, 2018: In an effort to expand collaborations and community among the research faculty in the College of Health and Human Development, The Methodology Center will be hosting a casual coffee hour one Friday morning each month. This monthly get together is meant to create a zero-pressure environment for … Continue reading

Applications Open for May 2019 Training on Optimization

Linda M. Collins

December 1, 2018: Apply now to attend the Training on Optimization of Behavioral and Biobehavioral Interventions in Bethesda, Maryland on May 13-17, 2019. The goal of this five-day training is to help attendees gain the skills they need to use the multiphase optimization strategy (MOST) to optimize behavioral and biobehavioral interventions. This training is … Continue reading