Why 2% call sampling can’t tell you how your team is really doing
Manual QA teams review one or two conversations in a hundred. Here’s what that hides — and what changes when you review all of them.
By the OrySense team · · 6 min read
For most contact centres and sales teams, quality assurance still means a reviewer listening to a handful of calls each week. Across the industry, that usually works out to between one and two percent of conversations.
What a sample hides
A two percent sample can tell you roughly how an average call sounds. It can’t tell you which agent skipped a disclosure on Tuesday afternoon, which store stopped offering the extended warranty, or which customer threatened to escalate before hanging up.
- Rare but serious events are almost never sampled
- Reviewers tend to pick calls that are easy to find, not the ones that matter
- Agents are judged on a few calls instead of all of their work
What changes with full coverage
When every eligible conversation is scored on the same criteria, three things happen. Problems are found where they actually occur. Reviews become fairer, because they’re based on everything an agent did. And QA analysts move from listening to improving — calibration, coaching and fixing root causes.
Full coverage doesn’t remove people from quality. It points them at the conversations that need them.
