Peter Koval

The Horyzons project: a randomized controlled trial of a novel online social therapy to maintain treatment effects from specialist first-episode psychosis services

Mario Alvarez-Jimenez, Peter Koval, Lianne Schmaal, Sarah Bendall, Shaunagh O'Sullivan, Daniela Cagliarini, Simon D'Alfonso, Simon Rice, Lee Valentine, David L Penn, Chris Miles, Penni Russon, Jessica Phillips, Carla McEnery, Reeva Lederman, Eoin Killackey, Cathrine Mihalopoulos, Cesar Gonzalez-Blanch, Tamsyn Gilbertson, Shalini Lal, et al.

Journal article  |  2021  |  World Psychiatry

This study aimed to determine whether, following two years of specialized support for first-episode psychosis, the addition of a n..

From Data to Causes III: Bayesian Priors for General Cross-Lagged Panel Models (GCLM)

Michael J Zyphur, Ellen L Hamaker, Louis Tay, Manuel Voelkle, Kristopher J Preacher, Zhen Zhang, Paul D Allison, Dean C Pierides, Peter Koval, Edward F Diener

Journal article  |  2021  |  Frontiers in Psychology

This article describes some potential uses of Bayesian estimation for time-series and panel data models by incorporating informati..

Digital Emotion Regulation

Gregory Wadley, Wally Smith, Peter Koval, James Gross

Journal article  |  2020  |  Current Directions in Psychological Science

People routinely regulate their emotions in order to function more effectively at work, to behave more appropriately in social sit..

REPLY TO WENZEL AND KUBIAK: Neuroticism is best defined bymean levels of negative emotion, not emotional variability

Elise K Kalokerinos, Sean C Murphy, Peter Koval, Merijn Mestdagh, Brock Bastian, Peter Kuppens

Journal article  |  2020  |  Proceedings of the National Academy of Sciences of the United States of America

A pilot trial of moderated online social therapy for family and friends of young people with borderline personality disorder features

John Gleeson, Mario Alvarez-Jimenez, Jennifer K Betts, Louise McCutcheon, Martina Jovev, Reeva Lederman, Helen Herrman, Susan M Cotton, Sarah Bendall, Ben McKechnie, Emma Burke, Peter Koval, Jesse Smith, Simon D'Alfonso, Sumudu Mallawaarachchi, Andrew M Chanen

Journal article  |  2020  |  Early Intervention in Psychiatry

AIM: We evaluated the acceptability, usability and safety of Kindred, a novel online intervention for carers of young people with ..

Modeling Individual Differences in Emotion Regulation Repertoire in Daily Life With Multilevel Latent Profile Analysis

Gloria Grommisch, Peter Koval, Jordan DX Hinton, John Gleeson, Tom Hollenstein, Peter Kuppens, Tanja Lischetzke

Journal article  |  2020  |  Emotion

Emotion regulation (ER) repertoire-the range of different ER strategies an individual utilizes across situations-is assumed to ena..

Positive and meaningful lives: Systematic review and meta-analysis of eudaimonic well-being in first-episode psychosis

John FM Gleeson, Dina Eleftheriadis, Olga Santesteban-Echarri, Peter Koval, Brock Bastian, David L Penn, Michelle H Lim, Richard M Ryan, Mario Alvarez-Jimenez

Journal article  |  2020  |  Early Intervention in Psychiatry

BACKGROUND: First-episode psychosis typically has its onset during adolescence. Prolonged deficits in social functioning are commo..

From Data to Causes I: Building A General Cross-Lagged Panel Model (GCLM)

Michael J Zyphur, Paul D Allison, Louis Tay, Manuel C Voelkle, Kristopher J Preacher, Zhen Zhang, Ellen L Hamaker, Ali Shamsollahi, Dean C Pierides, Peter KOVAL, Ed Diener

Journal article  |  2020  |  Organizational Research Methods

This is the first paper in a series of two that synthesizes, compares, and extends methods for causal inference with longitudinal ..

From Data to Causes II: Comparing Approaches to Panel Data Analysis

Michael J Zyphur, Manuel C Voelkle, Louis Tay, Paul D Allison, Kristopher J Preacher, Zhen Zhang, Ellen L Hamaker, Ali Shamsollahi, Dean C Pierides, Peter KOVAL, Ed Diener

Journal article  |  2020  |  Organizational Research Methods

This article compares a general cross-lagged model (GCLM) to other panel data methods based on their coherence with a causal logic..

Negative emotion and nonacceptance of emotion in daily life.

Natasha H Bailen, Peter Koval, Michael Strube, Nick Haslam, Renee J Thompson

Journal article  |  2020  |  Emotion

Nonacceptance of emotion is consistently linked with increased levels of psychopathology and diminished well-being. Research has f..