Section 1 · Introduction
Why Bias Matters
Learning objective: To understand what bias is, why it exists, and how it influences everyday decisions in workplaces and organisations.
Video scenario
Who gets the big project?
Captions on · no sound needed
Watch the short scene, then discuss:
“What made the manager pause? What would you do in their place?”
Read the transcript
- [Calm piano, quiet office sounds]
- A manager reaches past a quiet colleague to hand a folder to a familiar one.
- The manager pauses — a small light-bulb moment.
- They turn and offer the project to the quiet colleague instead.
Bias is a natural part of human thinking. We all rely on mental shortcuts to make quick decisions, and these shortcuts are shaped by our experiences, culture, upbringing, and environment.
They help us navigate the world efficiently, but they can also lead us to form assumptions or judgements without realising it.
Unconscious Bias: The Autopilot Mindset
Unconscious biases are the automatic shortcuts and assumptions our brains make without us realising it. It is a natural cognitive function, everyone has bias.
Our brains use past experiences and cultural conditioning to make quick judgements, often leading to traps like affinity bias (favouring people like us) or confirmation bias (only noticing details that back up our existing views). Having bias doesn't make you a bad person, but leaving it unchecked creates unfair workplaces.
Changing Our Approach
We cannot completely erase how our brains are wired, but we can change how we act.
Key Takeaway
Move from passive autopilot to deliberate, objective thinking.
Pause Your "First Thought"
Your first reaction is often conditioning; your action is a choice. Ask yourself: "Am I basing this decision on objective facts or just a 'gut feeling'?"
Flip the Criteria
When reviewing someone's work or behaviour, ask: "Would I have the exact same reaction if this person were a different gender, age, or background?"
Standardise Decisions
Stop relying on "culture fit". Use structured interview questions, anonymised CVs, and clear, measurable metrics for promotions to remove guesswork.
Expand Your Circle
Actively seek out viewpoints from colleagues with different lived experiences to challenge your own default perspectives.
The Mechanism of Bias
Psychologists Daniel Kahneman and Amos Tversky describe two modes of thinking: System 1, which is fast and automatic, and System 2, which is slow and deliberate. Bias arises from System 1, the part of our mind that makes rapid decisions based on patterns rather than careful analysis.
Try it
System 1 or System 2?
Sort each moment: fast autopilot, or slow and deliberate?
- Instantly warming to a candidate who went to your university
- Scoring every CV against the same written criteria
- Feeling a colleague 'isn't a team player' after one meeting
- Asking 'would I react the same if this were someone else?'
- Picking the person you're most comfortable with for a big task
Group task
Autopilot audit
- 1In pairs, each list three quick decisions you made at work this week.
- 2For each one, ask: was this System 1 (gut) or System 2 (deliberate)?
- 3Pick one decision and agree how you would slow it down next time.
My reflections
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“Explain how System 1 thinking leads to unconscious bias.”
“Give me an example of bias affecting workplace decisions.”
“Help me understand why bias is natural and not a personal flaw.”
References
- Greenwald, A. G., & Banaji, M. R. (1995). Implicit social cognition: Attitudes, self-esteem, and stereotypes. Psychological Review, 102(1), 4.
- Kahneman, D. (2011). Thinking, Fast and Slow. Farrar, Straus and Giroux.
- Tversky, A., & Kahneman, D. (1974). Judgement under Uncertainty: Heuristics and Biases. Science, 185(4157), 1124-1131.