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Use "questionnaires" in a sentence
"They analyzed questionnaires from a subset of the sample — 197 couples in their second year of marriage."
"I enjoyed filling out one of those email questionnaires from a far-away chum when two questions lined up like this:"
"So while you're receiving a political message one character at a time, ParanoidLinux is pretending to surf the Web and fill in questionnaires and flirt in chat-rooms."