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Survey Research Questionnaire construction Types of surveys
Wording Ordering Layout/format Types of surveys Self administered Interview Strengths and weaknesses
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Question Wording Ask questions R’s can answer
Make questions clear and unambiguous Make questions relevant to topic Avoid negative items Avoid biased items, leading questions Avoid double-barreled questions Short items usually better
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Question Ordering Goal: To get R to answer the questions
Self-Administered Begin with interesting, non-threatening items Less interesting middle to end Most personal information at the end Interview Begin with least threatening items Most personal items in the middle Finish with less sensitive items
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Format/ Layout Neat, uncluttered Easy for R to follow
One question per line Answers marked in boxes or circles: ( ) [ ]
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Contingency Questions
Apply to only some of the respondents Set off with boxes and arrows or use instructions to skip questions: Do you have children under 18 at home? No Yes If yes: please list ages_____________ _______________________________
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Alternative format for contingency questions
4. Do you have children under 18 at home? No please skip to question 15 Yes please go on to question 5 5. How old is your youngest child? 6. What child care arrangements do you use while at work? (Check all that apply)….. 7………
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Matrix Questions Set of questions with identical answer choices
Example: Strongly agree Agree Don’t know Dis-agree Strongly Disagree Husbands and wives should be equally responsible for financial support of their families. 5 4 3 2 1 A woman should take care of her family first, then her career. Preschool children may be harmed if their mothers work. A father can care for young children just as well as a mother can.
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Using matrix questions
Easy to follow Efficient use of space May foster “response set” – solution is to alternate points of view occasionally Answer choices should be appropriate for all items
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Self-Administered Questionnaire
Mail, , web page, or handed out May not produce high response rate May be good for sensitive topics Less costly than interviews
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Insuring quality Use probability sample Precede with cover letter.
Include letter of explanation Monitor returns, use follow-ups if needed Always pay return postage!
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Follow-ups on mail surveys
Maintain confidentiality – use ID numbers Keep list of returns After reasonable time, send another questionnaire May follow up with phone call Improves response rate May allow conclusions about nonrespondents
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Interviews Questions read by researcher Answers recorded by researcher
May be face-to-face or telephone Higher response rate than mail surveys More accurate responses – interviewer may ask for clarification Better for more complex topics Interviewer can observe and record without asking directly (but is it ethical?)
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Two main rules for interviewers
Get R’s confidence: Good listener, non-judgmental, non-intimidating, appear interested in R’s opinions, dress appropriately, may be same gender as R Don’t affect the results: Don’t volunteer own opinion, don’t appear as authority or expert, don’t judge R.
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Interviewer preparation
Know purpose of study, sponsor, researcher Know how much to reveal to R Questionnaire must include interviewer instructions Follow wording and instructions exactly. Record responses exactly. Use probes only as instructed. Interviewers should be supervised.
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Example of interviewer instructions:
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Telephone Interviews Use for short, uncomplicated topics
Saves money and time May precede with cover letter – avoid being seen as “nuisance call” Raises sampling issues – cell phones, unlisted numbers, people without phones
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Computer Assisted Survey Research:
Computer Assisted Telephone Interviewing (CATI) Like regular telephone interview, but interviewer types respondent’s answers directly into computer Computer Assisted Personal Interviewing (CAPI) Like CATI, except used in face-to-face interview Computer Assisted Self Interviewing (CASI) Research worker brings a computer to the respondent’s home Respondent answers on the computer Computerized Self-Administered Questionnaire (CSAQ) The respondent receives electronic copy of the questionnaire Respondent returns the data file Also: TDE (touch-tone data entry), VR (voice recognition)
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Advantages and Disadvantages of Surveys
Good for describing large populations; statistical inference Can handle large data sets and samples Standardization = easy analysis Can have multiple indicators of concepts Relatively inexpensive Disadvantages Can be overstandardized; categories may be artificial May create opinion
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