Measurement and assessment of grief in a large international sample.

Background: In 2022, the International Classification of Diseases (ICD-11) and an update of the Diagnostic Statistical Manual of Mental Disorders (DSM 5 TR) were released for implementation worldwide and now include the new Prolonged Grief Disorder (PGD). The newest definition of PGD is based on robust clinical research from the Global North yet until now has not been tested for global applicability.

Methods: The current study assesses the new PGD ICD-11 criteria in a large international sample of 1393 bereaved adults.

Associations Between Primary Residence and Mental Health in Global Marginalized Populations.

Scholars suggest that marginalized people in non-urban areas experience higher distress levels and fewer psychosocial resources than in urban areas. Researchers have yet to test whether precise proximity to urban centers is associated with mental health for marginalized populations. We recruited 1733 people who reported living in 45 different countries.

Machine learning uncovers the most robust self-report predictors of relationship quality across 43 longitudinal couples studies.

Given the powerful implications of relationship quality for health and well-being, a central mission of relationship science is explaining why some romantic relationships thrive more than others. This large-scale project used machine learning (i.e.

Character strengths and performance outcomes among military brat and non-brat cadets.

Although many studies have compared military vs. civilian samples on a wide variety of characteristics, few have examined these differences within the context of those who commit a portion of their life to the military. In this study, we explored how West Point cadets with ("military brat cadet") or without ("non-brat cadet") a family military background might differ in terms of their character strengths.