Network analysis summer school & workshop materials online

In the last months, a number of free resources for network analysis appeared online which I wanted to summarize briefly. Sacha Epskamp and Adela Isvoranu organized the 5-day Psychological Networks Amsterdam Summer, with presentations from over 10 researchers. All resources are available online. I gave several 2-day workshops this year, …

The expanded network approach: moving beyond symptoms?

This guest post was written by Payton Jones (payton_jones@g.harvard.edu) and Haley Elliott (haleyelliott@college.harvard.edu), and is based on a recent letter in which they highlight the importance of non-symptom variables in psychological networks. Payton is a graduate student at Harvard University in the Richard J. McNally lab. His research focuses on …

Talking to Laura Bringmann: ESM data, network models, & an exciting project

I was visiting University of Groningen a few days ago for an interdisciplinary meeting about the gap between clinical practice and methodology, and ran into Dr Laura Bringmann who I know well from our time together at University of Leuven. Since Laura and colleagues (i.e. Casper Albers, Jojanneke Bastiaansen, and …

Presentations of IMPS 2017 Zurich

This guest post was written by Sacha Epskamp (sacha.epskamp@gmail.com) who recently finished his PhD on Network Psychometrics at the University of Amsterdam. Sacha is well known for his various contributions to the development and application of network models, and for his numerous R-packages such as qgraph. As rain and students …

Two new papers on predictability of symptom networks

This guest post was written by Jonas Haslbeck (jonas.haslbeck@gmail.com) who is a PhD student in the Psychosystems lab at the University of Amsterdam. Symptom networks have become popular in clinical psychology because they promise to provide insights into the topology and dynamics of mental disorders. Most analyses so far focused …

Tutorial paper on new methods for estimating psychological networks

This guest post was written by Giulio Costantini (costantinigiulio@gmail.com) who recently finished his PhD at the University of Milan Bicocca. His blog describes a new tutorial paper that was just published in Personality and Individual Differences (PDF), and follows his earlier 2015 tutorial paper on estimating psychological networks. In a …

The network approach to psychopathology: pitfalls, challenges, and future directions

After Angelique Cramer and colleagues published the first paper on empirical networks for psychopathology in 2010, a few years of great enthusiasm followed, and psychological network science felt a bit like the Wild West: Everything was possible, and it was difficult to find qualified reviewers due to the novelty of …

Network analysis innovations at APS Boston 2017: summary and slides

APS 2017 in Boston just ended, with plenty of insightful talks about new developments in network methodology and application of network analysis to substantive topics. For those of you who couldn’t be there, I wanted to provide a summary of the topics that were discussed, and upload all presentations I …

Network replicability: a cross-cultural PTSD study across of clinical datasets

Let’s start with a teaser: This blog post is a summary of the first psychological network study ever looking at the replicability of network models in 4 datasets, with a total N of 2,782 (Preprint). The paper is fully reproducible, and includes the covariance matrices of the four datasets so …

Public time-series data of 40 outpatients (21 items, 130 measurements)

This guest post was written by Aaron Fisher (afisher@berkeley.edu) who is an Assistant Professor of Psychology and the Director of the Idiographic Dynamics Lab at the University of California, Berkeley. Aaron argues for a shift from nomothetic to idiographic research, and describes a new dataset he made publicly available for …