Behavioural Assessments
Hire smarter. Build stronger teams with behavioral assessments that work
Behavioural insights that help employers make better hiring, development and team performance decisions.
Organisations using Thomas behavioural assessments report:
- Lower turnover in the first 6 months
- Faster time to productivity for new hires
- Increased team performance across a range of functions
Scientifically validated | ISO certified | Built for hiring & development
Trusted by 10,000+ organisations to strengthen management and leadership performance
Used by 10,000+ companies to reduce hiring costs and improve performance - across leadership teams in retail, tech, financial services, and professional services.
Know what makes them tick - before you hire
Behaviour shapes how people communicate, collaborate and respond under pressure. And for people leaders, it directly impacts how they manage conversations, handle conflict and bring teams together.
Assess behaviour to help your people - and your managers - understand how to work better together from the start.
Why use workplace behavioral assessments?
Resumes show experience. Interviews show confidence. Behavioural assessments give you the missing data that takes time to discover — how someone will perform, lead, and collaborate in real-world conditions.
Thomas customers use them to:
- Reduce early attrition by understanding role, team and culture fit.
- Improve productivity by aligning work styles, communication, and leadership expectations.
- Support internal mobility by identifying existing leadership potential.
- Avoid costly mistakes with mishires that can drain up to $20,000–$50,000 per bad hire.
- Reduce ramp-up time in onboarding by up to 30% through personalising your approach.
- Improve team output by up to 25% through improved communication and collaboration fit.
A better indication of potential
The Thomas Behavioural Assessment helps you understand how candidates prefer to communicate, make decisions, and operate under pressure — so you can make unbiased decisions and align roles to strengths, not assumptions.
Built on the DISC model and delivered through the Thomas Connection Intelligence (CXI) platform, it gives your teams instant insight into:
Dominance
Decision-making, pace and how they take control under pressure
Influence
Communication style and how they engage peers, managers and clients
Steadiness
Collaboration, consistency and how they respond to change
Compliance
Approach to structure, detail and working in defined or flexible environments
From assessment to action in 8 minutes
Thomas puts behavioural data straight into the hands of your team. So every hiring and development decision is faster, smarter, and more consistent.
1. Select
The Behavioural Assessment only, or combine with others in-platform.
2. Invite
Candidates or team members to participate.
3. Complete
Online in under 8 minutes, on any device.
4. Review
Instant, visual insights, presented in an intuitive format anyone can use.
5. Apply
The data across hiring, onboarding, coaching, and succession planning.
Trusted by people leaders worldwide
"We chose Thomas because of the simplicity of the assessments and the ease of articulating the results to colleagues and respondents. We know we're providing a positive candidate experience and the reports are really useful and user friendly."
Thomas Client
Behavioural insight is only valuable if it's used
With the Thomas CXI platform, behavioural science becomes your foundation for better everyday work. Award-winning AI coaching brings insight into the moments that matter - supporting people leaders in key conversations and helping employees work more effectively.
- Better people decisions — Apply behavioural insight in hiring, onboarding and development to support performance and growth
- More effective management — Give people leaders the clarity to adapt their approach and lead with confidence
- Insight in the moments that matter — With Thom, behavioural insight is available right where decisions and conversations happen
Better together: Combining behaviour with other assessments
Get the most from your behavioural insights by pairing them with other Thomas assessments.
Behaviour + Aptitude
Confident hiring decisions
See how someone communicates and collaborates, alongside how quickly they learn and adapt. Gives you a complete, objective view for making stronger hiring decisions.
Behaviour + Personality
Development conversations
Understand how someone shows up day to day alongside the deeper traits that drive their long-term performance. Helps managers coach with clarity and personalise development plans.sychologists — helping you apply insight to real life moments.
Behaviour + Emotional Intelligence
Better team dynamics
Combine communication style with emotional awareness to reveal how people handle pressure and resolve conflict. Helps you build teams that collaborate well and stay resilient.
Trusted, tested, and backed by science
Turn trusted insight into better hiring, stronger leadership and more connected teams — with science you can rely on and AI you can trust.
Validated science
Rigorous, reliable psychometrics, registered with the British Psychological Society and audited against European EFPA testing standards.
Ethical AI coaching
Award-winning AI delivers responsible, personalised coaching vetted by psychologists — helping you apply insight to real life moments.
Exclusive connection capability
Our Connection Measure scientifically quantifies and improves the factors that underpin engagement. With insights exclusive to Thomas.
See how Thomas powers smarter talent decisions
Faster hiring. Better leadership. Lower attrition. Thomas helps organisations embed behavioural data into decisions that drive real business outcomes—at scale.
Organisations using Thomas behavioural assessments report:
- Lower turnover in the first 6 months
- Faster time to productivity for new hires
- Increased team performance across a range of functions
Join 10,000+ businesses already using behavioural science to build stronger, more aligned teams.
Scientifically validated | ISO certified | Built for hiring & development
Workplace behavioural assessment FAQs
What are workplace behavioural assessments?
A behavioural assessment is a psychometric tool used to understand how someone naturally communicates, collaborates and responds to their environment at work.
Unlike CVs or interviews, behavioural assessments focus on how someone works, not just what they've done. This helps employers predict team fit, communication style and how someone is likely to perform day to day.
Thomas uses the proven DISC model as the foundation of its Behavioural Assessment, helping organisations quickly understand how people behave at work and how they're likely to interact with others.
What are workplace behavioural assessments used for?
Workplace behavioural assessments are used by employers to understand how people are likely to communicate, collaborate, and behave at work. They support hiring, development, and succession decisions by helping organisations predict role fit, team fit, and leadership potential.
How are behavioural assessments used in recruitment?
Employers use behavioural assessments during recruitment to identify how candidates are likely to perform in a role, work with others, and respond to pressure. This helps reduce mis-hires, improve early performance, and support more objective hiring decisions.
How long does the Thomas Behavioural Assessment take to complete?
The Thomas Behavioural Assessment takes under 8 minutes to complete. This makes it practical to use within recruitment, onboarding, and development processes without adding friction for candidates or employees.
What workplace behaviours does the assessment measure?
The assessment measures key behavioural traits that influence workplace performance, including communication style, decision making approach, pace of work, response to change, and preferred working environment.
What model is the Thomas Behavioural Assessment based on?
The Thomas Behavioural Assessment is based on the DISC model, which explains behavioural preferences in the workplace across four areas: Dominance, Influence, Steadiness, and Compliance.
Can employers combine behavioural assessments with other tests?
Yes. Employers can combine behavioural assessments with aptitude, personality, emotional intelligence, and 360 degree feedback assessments to build a more complete picture when making hiring and development decisions.
Are Thomas behavioural assessments scientifically validated for workplace use?
Yes. The Thomas Behavioural Assessment is scientifically validated and registered with the British Psychological Society. It meets established standards for reliability and validity in workplace assessment.
Are behavioural assessment results easy for managers to use?
Yes. Results are presented in a clear, visual format designed for hiring managers and people leaders, making insights easy to apply during interviews, onboarding, coaching, and succession planning.
Can behavioural assessments reduce employee turnover?
Behavioural assessments show how individuals prefer to work and respond to different environments. This enables organisations to improve job fit, increase retention, and support more consistent long-term performance.
Can behavioural assessments identify leadership potential?
Behavioural assessments reveal how individuals communicate, influence others, and respond to pressure in the workplace. These insights help organisations identify leadership potential early and strengthen succession planning.
What’s the difference between behavioural assessments and personality tests?
Behavioural assessments focus on how individuals are likely to act in a work environment, such as communication style and pace of work. Personality assessments measure underlying traits and preferences. Used together, they provide a more complete view of workplace performance.
How can behavioural assessments support leadership development programmes?
Behavioural assessments provide insight into how leaders communicate, motivate others, and respond to challenges. This enables organisations to tailor development programmes to individual needs and improve leadership effectiveness.
How can behavioural assessments help managers build more balanced teams?
Behavioural assessments show how different working styles interact within a team. Managers can use these insights to balance strengths, reduce conflict, and build teams that collaborate more effectively.
