Dr Trefor Aspden

Dr Trefor Aspden

Lecturer in Psychology

Department of Psychology

Contact Details

Trefor joined the psychology department in Aberystwyth as a lecturer in 2019. His research, in the areas of health and clinical psychology, includes research on the framing of health promotion messages, and in the use of talking therapies for treating depression and anxiety.

Trefor obtained his PhD from Bangor University in 2010, looking at health related behaviours, message framing and motives. After obtaining his PhD he went on to work in Royal Holloway University as a research assistant and later as a trial manager. Prior to joining the psychology department here in Aberystwyth, Trefor worked in University College London for five years as a senior research associate. During his time in UCL, he managed two randomised controlled trials looking at the effectiveness of Cognitive Behavioural Therapy for depression in patients with advanced cancer, and in older victims of crime. Whilst at UCL Trefor also gained experience lecturing on the Clinical Mental Health Sciences MSc course.

  • Tuesday 09.00-10.30

Life satisfaction around the world: Measurement invariance of the Satisfaction With Life Scale (SWLS) across 65 nations, 40 languages, gender identities, and age groups. / Swami, Viren; Stieger, Stefan; Voracek, Martin et al.
In: PLoS ONE, Vol. 20, No. 1, e0313107, 22.01.2025.

Research output: Contribution to journalArticlepeer-review

Self-Compassion Around the World: Measurement Invariance of the Short Form of the Self-Compassion Scale (SCS-SF) Across 65 Nations, 40 Languages, Gender Identities, and Age Groups. / Swami, Viren; Tran, Ulrich S.; Voracek, Martin et al.
In: Mindfulness, Vol. 16, 30.06.2025, p. 1569–1596.

Research output: Contribution to journalArticlepeer-review

Exposure and connectedness to natural environments: An examination of the measurement invariance of the Nature Exposure Scale (NES) and Connectedness to Nature Scale (CNS) across 65 nations, 40 languages, gender identities, and age groups. / Swami, Viren; White, Mathew P.; Voracek, Martin et al.
In: Journal of Environmental Psychology, Vol. 99, 102432, 30.11.2024.

Research output: Contribution to journalArticlepeer-review

Mind the gap: Development and validation of an evolutionary mismatched lifestyle scale and its impact on health and wellbeing. / O, Jiaqing; Aspden, Trefor; Thomas, Andrew G. et al.
In: Heliyon, Vol. 10, No. 15, e34997, 15.08.2024.

Research output: Contribution to journalArticlepeer-review

Body appreciation around the world: Measurement invariance of the Body Appreciation Scale-2 (BAS-2) across 65 nations, 40 languages, gender identities, and age. / Swami, Viren; Tran, Ulrich S.; Stieger, Stefan et al.
In: Body Image, Vol. 46, 01.09.2023, p. 449-466.

Research output: Contribution to journalArticlepeer-review

More publications on the Research Portal