1. FLORIAN TRESS | ODC SERVICES

2. WHAT DO WE MEAN WITH
GOOD QUESTIONNAIRE DESIGN
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3. PRINCIPLES OF SURVEYTAINMENT
COMPARABILITY
BETTER ENHANCED OF RESULTS
DATA SURVEY
QUALITY EXPERIENCE + BETTER DATA QUALITY
+ ENHANCED SURVEY
EXPERIENCE
COMPARABILITY
= SURVEYTAINMENT
OF RESULTS
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4. TECHNIQUES OF SURVEYTAINMENT
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5. ASSESSING THE MONETARY VALUE
HOW MUCH DO WE STILL
ARE CLIENTS NEED MONETARY
WILLING TO INCENTIVES AS
PAY FOR IT? BETTER ENHANCED A MOTIVATOR?
DATA SURVEY
QUALITY EXPERIENCE
COMPARABILITY
OF RESULTS
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6. satisfaction = f (incentive, appeal of survey)
INCENTIVE INCENTIVE
THRESHOLD OF
PARTICIPATION
APPEAL OF
SURVEY
APPEAL OF
SURVEY
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7. HOW CAN WE ASSESS THE
SECRET FORMULA
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8. STUDY #1 STUDY #2
1,0 1,0
1,33
QUESTIONNAIRE 1,43 1,43
1,54
DESIGN
SECRET
FORMULA
MONETARY VALUE
40 ct.
per interview
5,0 5,0
STANDARD SURVEYTAINMENT STANDARD SURVEYTAINMENT
(n = 503) (n = 501) (n = 194) (n = 196)
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11. … BECAUSE IN OUR PANEL THE INCENTIVE DEPENDS ON THE LOI
SURVEY-
1,0 STANDARD
TAINMENT
LENGTH OF INTERVIEW
14 min 16 min
CORRESPONDING INCENTIVE
<
BUT PERCEIVED LENGTH
5,0 1,6 1,5
STANDARD SURVEYTAINMENT
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12. satisfaction = f (incentive, appeal of survey, length of interview)
THRESHOLD OF
PARTICIPATION
INCENTIVE INCENTIVE
APPEAL OF
SURVEY
APPEAL OF
SURVEY
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13. STUDY #3: THE SENSELESS TASK
LOI 5 min LOI 7,5 min LOI 10 min
10 BP (1,00 €)
5 BP (0,50 €)
n = 600; Completion Rate < 50%
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