A brief survey told him that several persons must have left, for the crowd looked smaller.
But some veterans are asking if the survey tells everything.
One quick survey told Eve none of the blood was the child's.
And surveys about nascent products don't always tell the whole story.
"Those surveys can only tell you who responded and that they were on the Net," she said.
What could a typical survey tell about, say, college-age women?
The current surveys tell us little about how to meet the mental health needs of populations after terrorist attacks.
The same survey, looking at a three-month period, told a different story.
All that survey tells us is how people feel about life here.
Did the survey tell people the problems with studying such a massive scheme?