When designed correctly, a rating scale acts as a shared map for development. It removes guesswork, aligns expectations, and gives employees and managers a clear view of how employees are coping with specific performance-related issues and topics.
On the other hand, when designed poorly, a rating scale can quickly trigger defensiveness, tank morale, and even create manager bias.
Building a truly effective review process requires looking closely at how your scales are structured and the language you use. As organizations of all sizes embrace real-time, continuous performance management, HR needs to have a firm grasp on how to make each survey and review effective. As feedback becomes constant, there is a real risk of data overload, making it easy to miss the unique growth opportunity hidden within each conversation.
Here are five best practices you can follow so that your performance rating scales drive meaningful growth, help you gather objective data, and support psychological safety across your teams.
Key Takeaways
- A rating scale has to be designed well to be a truly effective employee development tool.
- You should include enough options to gather nuanced feedback, without overwhelming the respondent. Use a 5-point scale to identify your best employees. Use a 3-point scale if you need fast answers on simpler topics. Make sure the psychological distance between each choice is equal.
- Choose your language wisely to avoid leniency bias, which is the tendency to give higher scores due to emotional discomfort with the rating process. Use terms that focus on professional development rather than criticism, and make sure you define number rating using words so that everyone follows the same rules when they answer.
- Clearly define all terms used in the survey, such as “average”. Terms can mean different things to different managers so you need to provide consistent definitions. Always define performance against fixed objective standards, rather than comparing employees to one another. Make surveys anonymous if necessary.
- Focus questions on specific, observable behaviors. Using a Behaviorally Anchored Rating Scale (BARS) helps measure concrete behaviors rather than abstract traits.
- Train your managers and reviewers. Explaining how the scale works helps you get the best possible feedback from the process.
- You can use surveys as part of 360 feedback and performance reviews, or do employee surveys on specific topics.
- Professional performance management software like Primalogik supports all types of review and survey functions, and provides templates and customizable surveys of all types.
Table of Contents
1. Create a Balanced Range of Options
2. Choose Your Language Wisely
4. Focus on Specific, Observable Behaviors
5. Train Your Managers and Reviewers
6. Ask These 7 Questions to Verify Your Performance Rating Scale Is Ready to Use
7. Primalogik Makes Modern Performance Tracking Easy
1. Create a Balanced Range of Options
A good rating scale provides enough choices to capture nuance without overwhelming the reviewer. If you offer too few options, your data lacks depth, but if you offer too many, the results can be hard to analyse for real insights.
The best practices for creating a balanced range of options are to use a 5-point scale instead of a 3-point scale, and to make sure that the answer options show a natural progression from Strongly Disagree to Strongly Agree.
When to Use a 5-point scale
To accurately distinguish your top contributors, consider using a 5-point scale. Expanding the upper end of your scale allows you to differentiate between a solid, reliable contributor and a true star employee, while still clearly pinpointing who needs the most support.
When to Use a 3-point scale
Using a 3-point scale is a good option when you need fast answers on simpler topics. Sometimes this is the best choice, especially in continuous performance management settings where survey fatigue and non-response bias can be an issue, and it becomes necessary to keep things as simple as possible to keep everyone engaged.
Making Sure Your Scale Is Statistically Valid
For a scale to be statistically valid, the psychological distance between each choice must be equal. For example, in a standard 5-point Likert scale, the progression should feel completely symmetrical:
- Strongly Disagree
- Disagree
- Neither Agree Nor Disagree
- Agree
- Strongly Agree
2. Choose Your Language Wisely
The words you choose directly impact how honestly people will answer. Humans naturally suffer from leniency bias, which is the tendency to give higher scores to avoid uncomfortable conflicts or making someone feel bad. When you design your rating scales, you have to be careful not to encourage this type of bias, so that you can get accurate results.
Focus on Professional Development Instead of Blunt Criticism
If rating scales seem overly harsh, respondents might avoid giving honest feedback because they don’t want to be too hard on their team. One way to work around this, while still encouraging honesty, is to focus on growth and learning instead. This makes it easier to select options that identify behaviors or work that are not up to standard. It also reinforces that you are committed to supporting employee development, and not simply there to offer criticism.
| Instead of harsh labels like: | Use growth-oriented labels like: |
| Performing poorly | Needs Development |
| Fair | Developing Competency |
| Not meeting requirements | Needs Support to Meet Standards |
Use Words to Clearly Define Numbers
A 3 might mean average to one manager and excellent to another. For this reason, you should never rely on numbers alone for a rating scale. Always add brief, descriptive verbal statements (known as anchors) to your numbers so that everyone follows the same rules when they answer.
Example of Frequency Anchors
- 1: Not at all
- 2: Rarely
- 3: Sometimes
- 4: Often
- 5: Always
3. Clearly Define All Terms
Human beings tend to have different ideas about what words mean, which can make the results of your surveys inaccurate or vague. If you leave terms like “average” open to interpretation, your data loses integrity. One respondent might compare an employee to the company’s internal top talent, while another might compare them to the general global workforce.
Without clearly defining all terms in advance, you will get answers based on very different assessments, and the feedback you worked so hard to gather won’t provide you with any real insights.
The only solution is to define all terms so that everyone is answering based on the same criteria.
Always Define Performance Against Fixed Objective Standards
In your rating guidelines, define performance against fixed objective standards, not against other team members.
If you compare employees directly to one another, it could look like a forced ranking system. Under a forced ranking model, an employee could drastically improve their output year-over-year but still see their rating decline simply because their peers improved faster.
Forced ranking destroys morale and damages psychological safety. So it is always recommended that you base your scales on absolute criteria, not relative competition.
Remember, Surveys Can Be Anonymous
If you find you need to address a sensitive topic in a performance survey, remember that you can encourage truthful responses by making the survey anonymous. Even if everyone is using fixed objective standards, it can still feel uncomfortable to point out someone else’s weak spot. Anonymity adds another level of safety and can add another layer of safety and reassurance in many situations.
4. Focus on Specific, Observable Behaviors
The absolute best way to gather accurate ratings is to measure concrete behaviors rather than abstract traits. Using a Behaviorally Anchored Rating Scale (BARS) targets the exact skills required for a specific job.
This provides specific benefits:
- Provides deep, actionable insight into actual performance levels.
- Highlights the precise areas where an employee needs improvement.
- Makes it simple and stress-free for managers to share feedback.
How a Behaviorally Anchored Rating Scale Works
Instead of asking a generic question about a manager’s training skills, a BARS approach uses highly specific, role-based behavioral descriptors, such as:
- 1: Provides little to no hands-on training during onboarding.
- 3: Provides structured hands-on instruction throughout the employee’s first week of work.
- 5: Provides continuous hands-on instruction and milestone check-ins throughout the employee’s first month.
Because BARS questionnaires are tailored to specific roles, they take more time to design and require a deep understanding of the job framework. However, they make up for the challenges of creating them by providing truly helpful and very accurate results.
5. Train Your Managers and Reviewers
Once you have built the right rating scale for your review process, it’s time to sit down with your managers and reviewers and explain how it works. When everyone fully understands how the scale is structured, and why you have created it this way, you are in a position to gather the best possible feedback from the process.
Remember, rating scales can be used within all types of performance assessments processes. You can include them in:
- 360 Feedback
- Performance Reviews
- Employee Surveys
In a culture of continuous performance management, rating scales are an important tool to master. They make it possible to gather important information quickly and efficiently, and you can tailor them easily to ask questions about recent or ongoing events and issues.
Ask These 7 Questions to Verify Your Performance Rating Scale Is Ready to Use
- Are there clear verbal anchors for every score? (Can a manager explain exactly what a 3 means versus a 4, or are they guessing?)
- Did you clearly define what meets expectations or average means? (Are managers scoring based on an absolute performance standard, or are they comparing employees against each other?)
- Is the language growth-oriented? (Does the lower end of the scale lean toward terms associated with punishment or criticism, or does it focus on development?)
- Are the options evenly spaced? (Is the psychological gap between each choice symmetrical, or is there a massive jump between levels?)
- Does the scale measure specific, observable behaviors? (Are you grading concrete actions, or are you asking managers to rate abstract traits like attitude or work ethic?)
- Have you planned a calibration session? (Do you have a process in place so that two different managers will give the same rating to the same level of work?)
- Is the scale the right size for our goals? (If you need simple, fast outcomes, did you stick to a 3 or 4-point scale? If you need to map high performers, do you have a 5-point scale?)
Primalogik Makes Modern Performance Tracking Easy
Primalogik’s performance management software makes it simple to build your own custom rating scales for all types of performance assessments. You can use a template or build your own questions from scratch.
Once you’ve gathered data, the people analytics module helps you analyse the results and displays actionable insights in accessible and appealing dashboards.
Our system comes with real-time tracking features so you can easily see who has yet to complete a survey or review, and user-friendly automatic reminders.
Feedback can be anonymous for sensitive topics. Book a free demo today!