Participant experiences

Real experiences. Meaningful learning.

Read what participants and organisations say about studying with The Behaviour Institute—from self-paced online diplomas to live CBT skills programmes and workplace training.

Dr John Crimmins with graduates holding their certificates
Celebrating achievement Participants receiving their certificates.

Featured participant review

In their own words

Participant reviews

Choose a category or browse the complete collection.

Online diplomas
★★★★★
“The courses gave me a solid and structured understanding of different fields of psychology. Dr Crimmins’ detailed and supportive feedback helped me recognise both my strengths and the areas I needed to develop.”
Uliana Oleksandrenko Teacher and Counsellor
LinkedIn ↗
Live CBT programme
★★★★★
“Dr Crimmins brought together a culturally diverse group with empathy and expertise. The programme created a safe environment in which we could develop CBT skills and consider the ethical aspects of working with clients.”
Jennifer Wright Editorial Director · Consulting, Advisory and Mental Health
LinkedIn ↗
Online diplomas
★★★★★
“The videos, literature, research and case studies create a fantastic learning environment. Dr John Crimmins’ continuous support and detailed feedback made the entire process enjoyable.”
Patrick O’Shea Meditation and Mindfulness Life Coach
Instagram ↗
CBT Diploma
★★★★★
“The course material was interesting, easily accessible and the website was easy to navigate. Self-paced study combined with email support made it a valuable learning journey.”
Waleed Al Zaabi Senior Manager · Environment, Sustainability and Wellbeing, du
LinkedIn ↗
Advanced CBT
★★★★★
“The programme was thoughtfully structured and delivered through case analysis and role-play. It significantly enriched my skills and confidence as a practitioner.”
Aideen Kenny Secondary School Teacher · Abu Dhabi
LinkedIn ↗
Online CBT
★★★★★
“I learned a great deal and particularly valued the videos, which made the content easier to understand. The course was well organised and support was available whenever I needed it.”
Hania Foudad CDA Licensed Psychologist
LinkedIn ↗
Positive Psychology
★★★★★
“The courses were very well structured, balancing videos, resources and reading material. I am grateful for Dr Crimmins’ support, the detailed assignment feedback and Rita’s quick responses.”
Breda Morrissey CBT Therapist and Counsellor
Website ↗
Advanced CBT
★★★★★
“This intensive programme was an incredible experience, blending academic learning with hands-on skills. Adding these skills to my professional toolkit will help me provide more effective support at work.”
Ghaira Hussin Psychometrician · flydubai
LinkedIn ↗
Dr John Crimmins with the DP World trauma response team following peer-support training

Organisational impact

Supporting people beyond the training room

★★★★★
“The peer-support training enabled DP World UAE to launch its Trauma Responders Support Group. Colleagues have responded positively and recognise that the organisation actively supports mental health.”
Ahmed Abdulla Mohammed Trauma Responder Team Leader · DP World, Dubai
LinkedIn ↗
Online Diplomas Flexible, self-paced study
Live CBT Experiential skills programmes
International A diverse learning community
Professional Support Guidance and assignment feedback

Choose the learning experience that suits you

Study a psychology diploma online at your own pace or join an upcoming live CBT skills programme.

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