Frédérique Vallières

Research.com Recognitions

• 2025 - Research.com Rising Stars Award

Overview

Best Publications

• Psychological characteristics associated with COVID-19 vaccine hesitancy and resistance in Ireland and the United Kingdom.

  Jamie Murphy;Frédérique Vallières;Richard P. Bentall;Mark Shevlin

  1212
  Citations

• Anxiety and depression in the Republic of Ireland during the COVID-19 pandemic

  Philip Hyland;Philip Hyland;Mark Shevlin;Orla McBride;Jamie Murphy

  550
  Citations

• Data Analysis and Synthesis Within a Realist Evaluation: Toward More Transparent Methodological Approaches:

  Brynne Gilmore;Eilish McAuliffe;Jessica Power;Frédérique Vallières

  284
  Citations

• Variation in post-traumatic response: the role of trauma type in predicting ICD-11 PTSD and CPTSD symptoms

  Philip Hyland;Philip Hyland;Jamie Murphy;Mark Shevlin;Frédérique Vallières

  235
  Citations

• Females have more complex patterns of childhood adversity: Implications for mental, social, and emotional outcomes in adulthood

  Ida Haahr-Pedersen;Camila Perera;Philip Hyland;Philip Hyland;Frédérique Vallières

  199
  Citations

• Measurement invariance of the Patient Health Questionnaire (PHQ-9) and Generalized Anxiety Disorder scale (GAD-7) across four European countries during the COVID-19 pandemic

  Unknown

  160
  Citations

• An Assessment of the Construct Validity of the ICD-11 proposals for Complex Posttraumatic Stress Disorder

  Philip Hyland;Mark Shevlin;Ask Elklit;Jamie Murphy

  157
  Citations

• Quality not quantity: loneliness subtypes, psychological trauma, and mental health in the US adult population.

  Philip Hyland;Mark Shevlin;Marylène Cloitre;Thanos Karatzias;Thanos Karatzias

  154
  Citations

• Posttraumatic Stress Symptoms and Associated Comorbidity During the COVID-19 Pandemic in Ireland: A Population-Based Study.

  Thanos Karatzias;Thanos Karatzias;Mark Shevlin;Jamie Murphy;Orla McBride

  152
  Citations

• ICD-11 PTSD and complex PTSD amongst Syrian refugees in Lebanon: the factor structure and the clinical utility of the International Trauma Questionnaire.

  Frederique Vallieres;Ruth Ceannt;F Daccache;R Abou Daher

  138
  Citations

• Monitoring the psychological, social, and economic impact of the COVID-19 pandemic in the population: Context, design and conduct of the longitudinal COVID-19 psychological research consortium (C19PRC) study.

  Orla McBride;Jamie Murphy;Mark Shevlin;Jilly Gibson-Miller

  129
  Citations

• Pandemic buying: Testing a psychological model of over-purchasing and panic buying using data from the United Kingdom and the Republic of Ireland during the early phase of the COVID-19 pandemic.

  Richard P Bentall;Alex Lloyd;Kate Bennett;Ryan McKay

  125
  Citations

• Does Supportive Supervision Enhance Community Health Worker Motivation? A Mixed-Methods Study in Four African Countries

  Maryse C Kok;Frédérique Vallières;Olivia Tulloch;Meghan Bruce Kumar

  109
  Citations

• No implementation without cultural adaptation: a process for culturally adapting low-intensity psychological interventions in humanitarian settings.

  Camila Perera;Alicia Salamanca-Sanabria;Joyce Caballero-Bernal;Lya Feldman

  107
  Citations

• A longitudinal assessment of depression and anxiety in the Republic of Ireland before and during the COVID-19 pandemic.

  Philip Hyland;Philip Hyland;Mark Shevlin;Jamie Murphy;Orla McBride

  104
  Citations

• Polyvictimization and psychopathology among children and adolescents: A systematic review of studies using the Juvenile Victimization Questionnaire.

  Ida Haahr-Pedersen;Afrodite Emma Ershadi;Philip Hyland;Maj Hansen

  98
  Citations

• A comparison of DSM-5 and ICD-11 PTSD prevalence, comorbidity and disability: an analysis of the Ukrainian Internally Displaced Person's Mental Health Survey

  M. Shevlin;P. Hyland;P. Hyland;F. Vallières;Jonathan Bisson

  97
  Citations

• Identifying the Key Risk Factors for Adverse Psychological Outcomes Among Police Officers: A Systematic Literature Review

  Larissa Sherwood;Siobhan Hegarty;Frédérique Vallières;Philip Hyland

  91
  Citations

• How Does The COVID-19 Pandemic Impact on Population Mental Health? A Network Analysis of COVID Influences On Depression, Anxiety and Traumatic Stress in the UK Population.

  Orestis Zavlis;Sarah Butter;Kate Bennett;Todd K Hartman

  87
  Citations

• The Authoritarian Dynamic During the COVID-19 Pandemic: Effects on Nationalism and Anti-Immigrant Sentiment

  Todd K. Hartman;Thomas V. A. Stocks;Ryan McKay;Jilly Gibson-Miller

  85
  Citations

• Are posttraumatic stress disorder (PTSD) and complex-PTSD distinguishable within a treatment-seeking sample of Syrian refugees living in Lebanon?

  Philip Hyland;Ruth Ceannt;F. Daccache;R. Abou Daher

  83
  Citations