Definition · Contact centre and BPO
Call Center Quality Assurance
Definition
Call center quality assurance (QA) is the process of reviewing and scoring a sample of customer interactions against a defined standard, then using the results to coach agents, fix processes and protect compliance. It typically combines a QA scorecard, regular monitoring by quality analysts, calibration sessions and reporting to operations and training.
Also called: QA, Call center QA, Quality monitoring, Contact center quality management
Formula
QA score (%) = Points earned on scored items ÷ Points available on applicable items × 100, set to 0 if any critical (auto-fail) item is missed
- Points earned
- Sum of points the analyst awards across the scorecard sections, such as opening, verification, resolution, soft skills and wrap-up.
- Points available on applicable items
- Total possible points, excluding items marked not applicable for this contact so agents are not penalized for steps the call did not need.
- Critical item
- A compliance or customer-harm item, such as skipping identity verification or reading back a full card number, that fails the whole evaluation.
Worked example
A scorecard has 100 points. On a password reset call, the 10-point upsell item does not apply, so 90 points are available. The agent earns 81. QA score = 81 ÷ 90 × 100 = 90%. On another call the agent earns 88 of 90 but skips the required identity check, a critical item, so that evaluation scores 0% and triggers same-day coaching.
How call center QA works
A standard QA program has four moving parts.
- The standard. A scorecard that defines what a good interaction looks like for each channel and line of business. Our call center QA scorecard is a ready starting point.
- Monitoring. Quality analysts or team leaders review recorded calls, chats and emails, and sometimes listen live. See call monitoring for the methods.
- Calibration. Analysts, team leaders and sometimes the client score the same contacts independently, then compare and agree, so a score means the same thing no matter who gave it. More on this under call calibration.
- Feedback and action. Scores go to the agent with specific coaching, trends go to training and operations, and repeated process failures go to whoever owns the process.
The point is improvement, not a score. A QA team that produces a lot of evaluations and very little change on the floor is an expensive audit function.
What goes on a QA scorecard
Most scorecards have five to eight sections and 15 to 30 items. A typical structure:
- Opening: greeting, name, ownership statement.
- Verification and compliance: identity check, required disclosures, call recording notice, payment card handling. Usually the critical items.
- Discovery: questions to understand the real issue, confirming the need.
- Resolution: correct information, correct process followed, issue solved or correctly escalated, accurate notes in the CRM.
- Customer experience: tone, empathy, clarity, managing holds and transfers, no dead air.
- Close: confirming resolution, setting expectations for any follow-up, closing politely.
Keep items observable. "Was empathetic" invites argument. "Acknowledged the customer's problem before moving to the solution" can be scored consistently. Weight the items to match what matters: compliance and resolution should carry more points than script phrases. The QA score then feeds into the wider agent scorecard alongside handle time, adherence and customer satisfaction.
How many contacts to score
A common practice is 4 to 8 evaluations per agent per month for tenured agents, and more for new agents, often 2 to 5 per week during nesting and the first month on the floor. That gives each agent enough feedback to act on without overwhelming QA.
Sampling is the real weakness. Five calls out of 1,200 a month is under half a percent of an agent's work, and random selection misses the calls that matter most. Better programs target the sample: long calls, repeat callers, transfers, low survey scores, and specific call types tied to complaints. Speech and text analytics tools now let centers apply automated checks to every interaction, such as whether a disclosure was read, and use human analysts for judgment-heavy reviews. A practical staffing ratio for manual QA is one analyst per 30 to 60 agents, depending on contact length and how many evaluations each agent gets.
Benchmarks and what a good QA score is
Targets are set internally, so the number depends on how strict the scorecard is. Many centers set the bar between 85% and 90%, with critical items required to pass. A center where almost every agent scores 95% or more usually has a scorecard that is too easy or analysts who are not calibrated, and a center where the average is 70% usually has a scorecard nobody believes in.
More useful than the average QA score is how it lines up with outcomes. If agents with high QA scores do not also have better customer satisfaction and resolution, the scorecard is measuring the wrong things.
Common QA mistakes
- Scoring scripts, not outcomes. Points for saying the exact closing phrase while the customer's issue went unsolved teaches agents to recite.
- Feedback that arrives two weeks later. Agents do not remember the call. Aim for feedback within two or three days, the same day for critical failures.
- No calibration. Two analysts scoring the same call 15 points apart destroys agent trust in QA.
- QA used only for discipline. If evaluations mostly appear in performance plans, agents dread them and stop learning from them.
- Ignoring process failures. If 30% of failed calls trace to a confusing refund policy, coaching agents will not fix it. QA should report root causes up as well as down.
Making QA improve performance
Link QA to coaching. Each evaluation should end in one or two specific behaviors for the agent to change, with a follow-up check on the next few calls. Let agents listen to their own calls and self-score sometimes; it shifts the conversation from defending a score to spotting the gap. Share strong calls as examples, not only weak ones. And feed QA data back into hiring and training: if new hires keep failing the same item, the classroom or the assessment needs to change, not just the agent. The call center quality analyst interview questions help when you are hiring for the role itself.
Frequently asked questions
What is QA in a call center?
QA, or quality assurance, is the process of reviewing and scoring customer interactions against a standard, then using the results to coach agents, fix processes and confirm compliance.
What is a QA scorecard?
A QA scorecard is the form analysts use to evaluate a contact. It lists the behaviors and steps expected, such as verification, discovery, resolution and tone, with points or pass/fail ratings and critical items that fail the evaluation.
What is the difference between quality assurance and quality monitoring?
Quality monitoring is the act of listening to or reviewing interactions. Quality assurance is the full program around it, including the standard, scoring, calibration, coaching and reporting.
How many calls should QA monitor per agent?
Commonly 4 to 8 evaluations per agent per month for tenured agents, and more often for new agents in their first weeks. Targeted sampling of higher-risk calls is more useful than purely random selection.
What is a good QA score in a call center?
Many centers target 85% to 90% with no critical errors. The right target depends on how demanding your scorecard is, so check that high scores line up with good customer outcomes.
What does a call center quality analyst do?
A quality analyst reviews and scores agent interactions, gives feedback, joins calibration sessions, spots trends and root causes, and reports findings to team leaders, training and operations.