I have to give all the credit to on this one, he gave this tip a few weeks ago and I wanted to test it out. If you generate your leads using LinkedIn Sales Nav, turn on the "Posted On LinkedIn" filter.
We didn't even need a full sample size to confirm this is an insanely good improvement.
Messages Sent and Response Rates:
Group A: 988 messages sent, 10 responses (Response Rate: 1.01%)
Group B: 334 messages sent, 19 responses (Response Rate: 5.69%)
Why It's Statistically Significant: The statistical test produced a very low p-value (approximately 4.56e-07), indicating that the difference between the response rates is highly unlikely to be due to chance.
This shows the gap between the response rates is substantial and meaningful.