Fixed-margin sampling & networks: New commentary on network replicability

This guest blog post was written by Sacha Epskamp, Assistant Professor at the University of Amsterdam. It does not necessarily reflect the opinions of other authors on the paper introduced below.   The methodological journal Multivariate Behavioral Research just published our latest contribution to the debate surrounding the replicability of …

7 new papers on network replicability

Since replication, replicability, and generalizability have become such important topics in the field of network psychometrics — arguably the topic of the year 2017 — I want to highlight seven new papers that came out in the last weeks on the topic. 7 papers on replicability Fried et al. 2017 …

Network models do not replicate … not.

When I see limitations in published network papers that I find sufficiently relevant to address, I discuss the papers here, and try to provide ways forward. For instance, Madhoo & Levine (2016) drew inferences from visually inspecting their networks, which inspired me to write a tutorial blog post on the …

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 …

R tutorial: power issues & robustness of network models

A new paper by Mohammad Afzali and colleagues was published a few days ago in the Journal of Affective Disorders, entitled “A Network Approach to the Comorbidity between Posttraumatic Stress Disorder and Major Depressive Disorder: the Role of Overlapping Symptoms”. The authors estimate the network structure of 36 symptoms in …