As nouns the difference between pollster and questionnaire
is that pollster is a professional whose primary job is conducting pre-election polls while questionnaire is a form containing a list of questions; a means of gathering information for a survey.
As a verb questionnaire is
to survey using questionnaires.
pollster
English
References
* Public Opinion Quarterly, Vol. 14, No. 4 (Winter, 1950-1951), pp. 617-638
* American Behavioral Scientist, Vol. 40, No. 8, 1183-1189 (1997)
questionnaire
Noun
(
en noun)
A form containing a list of questions; a means of gathering information for a survey
Verb
(questionnair)
to survey using questionnaires
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