The most common reason a well-designed review process produces poor outcomes is that the managers running it were not trained.

Not trained at all, in many cases. Promoted to management based on technical performance and handed a review form with a vague email from HR saying "reviews are due in three weeks."

This article gives HR leaders a practical, time-efficient manager training approach for review season: what to cover, how to deliver it, and how to measure whether it is working.

What manager training for review season actually needs to cover

Generic management development training is not what review season requires. Pre-cycle review training is focused and practical. It covers six things:

1. The rating standard for this specific cycle: what does "meets expectations" mean this quarter? Have the definitions changed since last cycle? This information is new every cycle and cannot be assumed.
2. The evidence requirement: every rating above or below the midpoint requires documented evidence. What counts as evidence? What does not? Give examples.
3. The six common rating biases: halo, horns, recency, leniency, central tendency, and similar-to-me. A brief description of each and a question to self-check: "Am I making this error?"
4. The calibration process: when is it, what will happen, what do managers need to bring?
5. The review meeting structure: how to open it, how to deliver the rating with evidence, how to handle defensiveness, how to close with a development conversation
6. The timeline and deadlines: what is due when, what happens if a manager misses a deadline

The training format that works

Option A: 90-minute live session (most effective)

Delivered in person or by video conference. Structure:

• 0-10 min: Welcome and purpose. Why this training matters. What is changing this cycle.
• 10-30 min: Rating standards. Walk through the rating scale and definitions. Ask managers to rate three fictional employee descriptions and compare answers. Debrief the variation.
• 30-50 min: Bias training. Cover the six biases with short real-world examples. Ask managers to identify which bias might apply to one of their team members.
• 50-65 min: Calibration preview. Explain what calibration will look like. Give managers the questions HR will ask about outlier ratings.
• 65-80 min: Review meeting practice. Role-play one review conversation. The "employee" should push back on their rating. The manager practices staying calm and evidence-based.
• 80-90 min: Timeline, deadlines, and questions.

Option B: 30-minute pre-recorded module + 30-minute live Q&A

For lean HR teams or organisations with managers in multiple locations, a pre-recorded module covering the content above, followed by a live group Q&A session, achieves most of the same outcomes. The live component is important: it allows HR to answer questions about this specific cycle and to correct misunderstandings before they become rating errors.

The role-play exercise: why it matters

The most valuable 15 minutes of any review season training is a role-play exercise where managers practice delivering a difficult rating to an employee who disagrees. Most managers have never rehearsed this conversation. The first time they experience defensiveness in a review meeting, they are unprepared.

The scenario: a manager is about to tell an employee that their rating is "approaching expectations," below what the employee expected. The person playing the employee responds: "I do not think that's fair. I worked really hard this year and nobody told me there was a problem until now."

The manager practices: staying calm, acknowledging the emotion without abandoning the rating, redirecting to evidence, and agreeing a development conversation. That 10-minute practice is more valuable than 30 minutes of content slides.

Post-training: how to know if it worked

• Rating distribution: did the distribution shift from last cycle? Did calibration require fewer corrections?
• Dispute rate: fewer disputes after the cycle suggest either better process or better communication
• Manager self-assessment: a brief post-cycle survey asking managers how confident they felt in the rating conversations and what they would need more support with next time
• Employee experience: a brief post-cycle survey asking employees whether they felt their review was fair and whether the feedback was specific enough to act on

Frequently asked questions

What if senior managers resist review training because they feel too experienced to need it?

Resistance from senior managers is the most common training implementation challenge. The most effective reframe: "This is not training on how to manage. It is an alignment session on the specific standards we are using this cycle. Even experienced managers need to know what 'exceeds expectations' means this quarter, because that definition has changed." Make the session about the current cycle's standards, not about management skills, and resistance drops significantly.

How do you train managers in a company with 50+ managers spread across multiple locations?

Pre-recorded module plus location-based live Q&A is the most practical format. HR should designate a local training facilitator at each location who runs the live Q&A and escalates complex questions to central HR. That format maintains consistency while adapting to the geographic challenge.

The bottom line

Review season training does not need to be long to be effective. Ninety minutes, well-designed, with a calibration preview and a role-play exercise, produces measurably better review quality than no training.

The return on that 90-minute investment: fewer disputes, more defensible ratings, better development conversations, and a review cycle that feels fair to employees. That is worth significantly more than the time it takes to design and deliver the session.