Performance reviews have rarely been anyone’s favourite workplace ritual. Employees dread them, managers rush through them, and HR teams spend months trying to make them consistent, fair, and meaningful. For decades, most organizations relied on some version of a traditional rating scale—those familiar 1-to-5 grids that seem deceptively simple but often leave everyone feeling confused or discouraged.
In an era of hybrid work, talent shortages, and rising employee expectations around fairness and transparency, a method that brings more clarity and credibility to the evaluation process is required: Behaviourally Anchored Rating Scales, more commonly known as BARS may just be the answer.
BARS isn’t new, but it may be the answer for good reason. As workplaces shift toward competency-based hiring, evidence-based management, and development-centred feedback, BARS offers a structure that speaks directly to these priorities. It removes ambiguity, supports better coaching, and—perhaps most importantly—helps employees understand exactly what “good performance” really means.
The Problem With Traditional Rating Systems
Traditional appraisal systems rely heavily on generic descriptors like “meets expectations,” “exceeds expectations,” or “needs improvement.” While these labels appear straightforward, they often hide a deeper problem: interpretation varies wildly between managers.
One manager’s “meets expectations” might be another’s “exceeds.” Some supervisors naturally skew generous, while others are hypercritical. Bias—conscious or unconscious—plays a major role. Personality clashes, favouritism, and even how well a manager remembers the year’s events can influence scores. And in hybrid and remote workplaces, proximity bias can make it even harder for evaluations to reflect reality.
For employees, this inconsistency creates insecurity and resentment. For HR, it creates headaches.
BARS was developed specifically to solve these problems by grounding performance ratings in observable, job-specific behaviours—not personal impressions or vague traits.
What Is BARS, Really?
At its core, a Behaviourally Anchored Rating Scale is simple:
Each number on a rating scale is tied to concrete examples of behaviour that represent that level of performance.
Instead of rating an employee a “4” for customer service and hoping everyone interprets that the same way, BARS describes what a “4” actually looks like in practice.
For example, a BARS scale for customer service might include descriptions like:
1 – Ineffective: Ignores customer complaints or responds rudely; fails to provide basic information.
3 – Competent: Responds to customer inquiries in a timely manner; resolves most issues with some guidance.
5 – Exceptional: Anticipates customer needs, proactively offers solutions, and consistently receives positive feedback.
When performance is rated this way, both managers and employees have a shared frame of reference. Expectations become transparent. Feedback becomes specific. And evaluations become far more defensible and consistent.
Why BARS is of relevance now
Although BARS was first developed in the 1960s, the modern workplace is making it newly relevant. Here’s why.
1. Hybrid and remote work demand clarity.
In distributed teams, managers no longer observe day-to-day behaviours casually. This increases the risk of ratings based on memory, limited visibility, or misunderstandings. BARS gives raters a standardized set of observable behaviours to assess, reducing the influence of proximity and recency bias.
2. Employees want transparency and fairness.
Millennials and Gen Z—now the majority of the workforce—value fairness, clarity, and equitable treatment more than previous generations. BARS provides exactly that: clear descriptions of what performance looks like and how it is measured.
3. Leadership development programs need specificity.
Generic feedback like “be more proactive” doesn’t help employees grow. BARS breaks “proactivity” into concrete actions employees can practice and managers can coach.
BARS connects competencies directly to observable behaviours, making it easier to align performance management with development pathways.
Inside the BARS Process: How It Actually Gets Built
BARS isn’t something organizations can copy-paste from the internet. It is a structured process that requires careful planning, stakeholder involvement, and thoughtful analysis.
Here’s how it typically unfolds.
Step 1: Job Analysis
Before developing any behavioural anchors, HR needs a deep understanding of the job in question. This usually involves:
- interviewing job incumbents
- observing employees
- reviewing task lists or job descriptions
- analysing key responsibilities
- studying existing competency models
The goal is to capture the full scope of the job—not in abstract terms, but in real tasks and behaviours.
Step 2: Collect Critical Incidents
Next, HR practitioners gather critical incidents—specific examples of effective and ineffective behaviours from people who know the job best.
For instance, nurses might share stories about managing emergencies, communicating with families, or handling complex patient needs. Customer service reps might describe de-escalating difficult calls or managing high-volume periods.
These real-world stories become the raw material for BARS.
Step 3: Cluster Behaviours Into Performance Dimensions
After collecting incidents, HR groups them into categories such as:
- Problem-solving
- Teamwork
- Customer service
- Attention to detail
- Communication
- Safety practices
- Leadership
These clusters become the core competency areas the appraisal will measure.
Step 4: Scale the Behaviours
Subject-matter experts help identify which behaviours represent various performance levels. They select examples that clearly distinguish:
- poor performance
- average performance
- excellent performance
Each behaviour description is then linked to a point on a numerical scale—usually 5 or 7 points.
Step 5: Validate and Refine
A draft version of the BARS scale is circulated to supervisors, incumbents, and sometimes even employee groups for feedback. They evaluate:
- clarity
- fairness
- accuracy
- usefulness
- job relevance
If the anchors are confusing or too similar, they are rewritten. If an important performance dimension is missing, it’s added.
Step 6: Train Supervisors
This is often the most overlooked step—and the most critical. Even the best-designed BARS system fails without effective rater training.
Training typically includes:
- how to use behavioural anchors
- how to avoid rating biases
- how to document observations
- how to conduct coaching conversations
- practice with sample scenarios
Organizations that skip training often fall back into old habits—like rating everyone in the middle or simply giving “the usual” score.
What Makes BARS So Effective?
Organizations that implement BARS usually report improvements in several areas.
1. Consistency Across Raters
When behaviours are explicitly defined, managers interpret rating levels more similarly. This reduces discrepancies across teams and departments.
2. Better Feedback for Employees
Because BARS describes actions, employees know exactly what they need to do to improve. A vague comment like “be more dependable” becomes a specific behaviour such as:
“Arrives on time, completes assigned tasks by the deadline, and communicates promptly when schedules change.”
3. Increased Employee Trust
Employees tend to perceive BARS as more fair because:
- standards are transparent
- ratings are tied to specific examples
- guidelines apply equally to everyone
4. Supports Coaching and Career Development
BARS naturally creates a roadmap for improvement. Employees can see what behaviours distinguish good performance from great performance, helping them set goals.
Where BARS Works Best
While BARS is useful in many environments, it excels in roles where behaviours can be described clearly and consistently.
Ideal environments include:
- healthcare
- manufacturing
- customer support
- retail
- operations
- law enforcement
- hospitality
- government agencies
Highly creative or fluid roles—like design or R&D—can still use BARS, but the anchors may need to be broader or updated more frequently.
Challenges and Realities: What Organizations Need to Know
Despite its advantages, BARS is not a silver bullet.
1. It Takes Time to Develop
Creating valid behavioural anchors requires:
- extensive interviews
- multiple review rounds
- stakeholder participation
- testing and refinement
Many organizations underestimate this step.
2. It Must Be Updated Regularly
Job roles evolve. Technologies change. Customer expectations shift. Anchors must be reviewed annually to keep them relevant.
3. It Doesn’t Eliminate Bias Automatically
Even with clear anchors, managers can still misinterpret behaviours or bring personal biases into evaluations—unless they receive proper training.
4. It Works Best With Ongoing Feedback
BARS supports continuous conversations, not once-a-year check-ins. Organizations must encourage supervisors to document behaviour’s throughout the year.
Why BARS Is Worth It
The workplace is changing fast. Organizations need performance systems that are clear, credible, and employee-centred. BARS aligns perfectly with that future.
It brings structure without rigidity, clarity without micromanagement, and fairness without sacrificing nuance. When implemented well, it strengthens relationships between employees and managers, supports development, and builds trust.
In a world where employees crave authenticity and organizations crave accountability, Behaviourally Anchored Rating Scales might just be the bridge both sides have been waiting for.
Quick reference guide to developing a BARS appraisal system.
Dr Peter Champion is the Group Human Resources Executive at Cashbuild in Johannesburg, South Africa.
