New Learning Resource for Latent Class Analysis

Bethany Bray

June 25, 2020: Our newest resource helps researchers teach themselves latent class analysis. LCA allows researchers to identify unobservable, or latent, subgroups within a population. The LCA Learning Path is designed to allow SAS users to efficiently teach themselves how to plan, run, and interpret an LCA in PROC LCA for SAS. The Learning … Continue reading

Principal Investigators’ New Websites

Stephanie Lanza, Bethany Bray, Linda Collins, Susan Murphy, Runze Li

May 6, 2020: As previously announced, substantial changes lie ahead for The Methodology Center. Over the coming months, we will stop updating this website. Resources will remain available for at least a year, but in order to provide the latest information, each of our investigators will maintain her or his … Continue reading

New SAS Software for LCA With Covariates

LCA diagram with no words. The latent construct is represented by an oval. Arrows point from the oval to 4 rectangles. The rectangles are the manifest constructs that help measure the latent construct. The arrows point toward the boxes because the manifest variables are representations of the underlying latent construct.

May 4, 2020: PROC LCA is our free add-on to SAS statistical software for estimating latent class models. We are pleased to announce the release of the LCA Covariates 3-Step SAS macro, which supplements PROC LCA’s functionality. The macro estimates the association between covariates and latent class membership using the … Continue reading

LTA Teachers’ Corner: New Resource for Teaching a Methods Course

April 8, 2020: The LTA Teachers’ Corner provides resources for instructors who want to incorporate instruction on latent transition analysis (LTA) into methods courses. The download will enable instructors to easily include a presentation and introductory exercise about LTA during one class session. The LTA Teachers’ Corner includes a PowerPoint … Continue reading

Summer Institute Postponed

Susan Murphy and Daniel Almirall

April 7, 2020:  UPDATE: The Summer Institute will be held on  June 28-29, 2021. The planning committee for the Summer Institute has been monitoring closely the latest guidelines and announcements related to COVID-19. After much consideration and with the health, safety, and well-being of everyone involved with the Summer Institute … Continue reading

Message From the Dean

Craig J. Newschaffer

February 25 2020: The Methodology Center has been a force for innovation and rigor in research methods for social, behavioral and health research for a quarter of a century, thriving under the inspired leadership of Dr. Linda Collins.  As many of you know, Linda will be leaving Penn State in … Continue reading

Podcast: Preventing Child Maltreatment with Kate Guastaferro

Kate Guastaferro

February 3, 2020: In this brief and inspiring podcast, Methodology Center Research Associate Kate Guastaferro talks about her research on preventing child maltreatment and on the multiphase optimization strategy (MOST) for optimizing interventions. Kate came to Penn State as a postdoctoral fellow in the Prevention and Methodology Training (PAMT) program. … Continue reading

Apply Now: Summer Institute on Just-in-Time Adaptive Interventions

January 23, 2020: Apply now to attend this year’s Summer Institute on Innovative Methods, “Building effective just-in-time adaptive interventions using micro-randomized trial designs.” Susan Murphy, professor of statistics and computer science and Radcliffe Alumnae Professor at Harvard University, and Daniel Almirall, research associate professor at The University of Michigan’s Survey Research Center, will … Continue reading

Upcoming Webinar on Factorial Experiments

Linda M. Collins

January 14 2020: In our next 1 & 1 webinar,  Methodology Center Director Linda M. Collins will present an introduction to factorial experiments. Our 1 & 1 webinars consist of a one-hour live video presentation on a method followed by a one-hour question-and-answer session with the presenter. The webinar will be held on Wednesday, … Continue reading

Video: Webinar on Configural Frequency Analysis

Dr. Mark Stemmler

November 14, 2019: Watch the video of our most recent webinar, “Person-Centered Methods: An Alternative Statistical Approach.” In this 90+ minute video, Mark Stemmler, professor of psychological assessment at the University of Erlangen-Nuremberg, Germany, and author of the book Person centered methods: Configural frequency analysis (CFA), introduces CFA. The webinar took … Continue reading

Article: Does Collegiate Drinking Affect Graduate School?

Hannah Allen

October 10, 2019: The high prevalence of heavy drinking among college students is widely known. Less clearly understood is how problematic alcohol use during college might be linked to post-college educational goals and attainment. In a recent article in the Journal of American College Health, Prevention and Methodology Training (PAMT) … Continue reading

Interest Group for Optimizing Interventions at SBM

Linda M. Collins

September 27, 2019: If you are interested in Linda M. Collins‘ research on the optimization of interventions and the multiphase optimization strategy (MOST), then you might be interested in the Society of Behavioral Medicine’s Optimization of Behavioral and Biobehavioral Interventions (OBBI) special interest group. The Society of Behavioral Medicine (SBM) … Continue reading