Understanding DISC- Part 1: A Deep Dive into D and I Personalities
What is DISC? A Powerful Tool for Understanding Human Behaviour
If you’ve ever wondered why some people are naturally decisive while others are more relationship-driven, the answer often lies in behavioural style.
The DISC model is one of the most widely used behavioural assessment tools in the world. It helps individuals and teams understand how they communicate, make decisions, respond to challenges, and interact with others.
DISC categorises behaviour into four primary styles:
D – Dominance
I – Influence
S – Steadiness
C – Conscientiousness
Rather than putting people in rigid boxes, DISC provides a flexible framework that increases self-awareness and improves communication.
In this first part, we’ll focus on the D (Dominance) and I (Influence) styles—often the most visible and outwardly expressive personalities in the workplace.
The D Style: Driven, Decisive, Results-Oriented
People with a high D (Dominance) style are typically:
Assertive and confident
Focused on results and outcomes
Comfortable taking risks
Direct in communication
What Drives Them?
D personalities are motivated by:
Achievement
Control
Efficiency
Winning and success
Strengths in the Workplace
Natural leaders who take initiative
Quick decision-makers
Thrive under pressure
Excellent at driving projects forward
Potential Challenges
Can come across as blunt or impatient
May overlook details or emotions
Can struggle with collaboration if others move slower
How to Communicate with a D Style
Be direct and to the point
Focus on results, not stories
Offer solutions, not problems
Respect their time
The I Style: Influential, Enthusiastic, People-Focused
The I (Influence) personality brings energy and connection into any environment.
People with a high I style are:
Outgoing and optimistic
Persuasive and engaging
Relationship-driven
Expressive communicators
What Drives Them?
I personalities are motivated by:
Recognition
Social interaction
Collaboration
Approval and influence
Strengths in the Workplace
Strong communicators and motivators
Great at building relationships and networks
Bring positivity and creativity
Thrive in team environments
Potential Challenges
May struggle with follow-through
Can be disorganised or impulsive
May avoid conflict or difficult conversations
How to Communicate with an I Style
Be friendly and engaging
Allow time for conversation
Acknowledge their ideas and contributions
Keep communication upbeat and positive
Why Understanding D and I Matters
When D and I personalities work together effectively, they can be incredibly powerful:
D brings focus and execution
I brings energy and influence
However, without awareness, miscommunication can occur:
D may see I as unfocused
I may see D as too harsh
Understanding these differences is the first step toward building stronger, more productive relationships.
Ready to Understand Your Style?
DISC is more than just a personality test—it’s a practical tool for transforming communication, leadership, and team performance.
If you’re ready to gain deeper insight into yourself or your team, I invite you to book a complimentary discovery session with award-winning coach Robyn Ratcliff and explore how the DISC assessment can support your growth.
👉 Book your discovery session with Robyn here
