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Factors affecting Mailed questionnaire, Colour of the questionnaire,…
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Format and colour
Scott (1961, pp. 173-74) found that
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U.S. Navy and Force personnel,Dunlap (1950)
TYPES
Personalised letter
typed rather than
reproduced,
addressed to the respondent by name,
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Impersonal Letter
can be dittoed or mimeographed,
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