PO217 Lecture Notes - Lecture 10: North American Free Trade Agreement, Leading Question, Social Desirability Bias
Document Summary
Mail-back surveys - personal (face to face) interviews. The importance of pilot work and pre testing. Advantages and disadvantages of close ended questions. Advantages and disadvantages of open ended questions. Mail back surveys have the following advantages: Lessp pressure on respondents - can do the survey/think about the questions on his/her own time. Mail back surveys have the following disadvantages: Lack of opportunity for probing, or clarifying responses. Lose control over who actually fills out the questionnaire. Rapid completion - faster than waiting for the mail to come back. Control over who responds to the survey. Opportunity to identify and correct problems with wording, etc. Ease of incorporating question wording and/or question ordering experiments. Web based surveys offer access to large numbers of potential respondents at dramatically lower costs than either personal interviews or telephone surveys. They also allow the survey to incorporate rich audio-visual stimuli. But web based surveys have a number of disadvantages:
