1999 Public Roads

Source: Public Roads July/August 1999 Vol 63 no. 1 Federal Department of Transportation

Where found? Hathitrust

Search Term: "10% of what we read"
What was found? this chart:
We Retain:
10% of what we read.
20% of what we hear.
30% of what we see.
50% of what we hear and see.
70% of what we say, and
90% of what we say and do
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