The clarity overestimation problem:
As speakers, we overestimate how clearly we communicate. And, as listeners, we overestimate how much we understand.
Aside from long term investments in learning to communicate clearly and becoming better listeners (both valuable), it helps to have a short term counter to this asymmetry. And, the best I've found is habitually replaying what we think we just heard and requesting listeners to share what they think they took away.
We aren't going to solve the overestimation habit (we all like to believe we are above average) - so, we might as well get on with solving the resulting issue.
(Via A Learning a Day)
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