Matakuliah
Tahun
: A0304 - Evaluasi Efektivitas Sistem Informasi
: 2006
Designing IT surveys
for benefit measurement
Pertemuan 24-26
1
Main issues to consider
1. Survey method
2. Sampling scheme
3. Questionnaire design
2
Approaches to data collection
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Mail surveys
In-company/on-board surveys
Telephone surveys
Personal interviews
Computer surveys
3
Types of sample
1. Non-probability sample
2. Probability sample
4
Questionnaire design
•Firm want to achieve
•Information sought
•Type of questionnaire used
•Questionnaire administered
•Content individual questions
•Type of response required
•Number of questions used
•Questions sequenced
•Revision needed
•Prior to main survey
•Things which help
•Things to avoid
•Techniques for questioning
•Sequencing of questions
•Pre-coded questions
•Particular questions
5
Guide to conducting survey
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Terms of reference
Data collection
Determine sample size and sample frame
Focus group
Produce questions
Questionnaire design
Conduct a pilot study
Revise questionnaire
Distribute questionnaire
Collect results
Code results
Analyze and interpret
6
The Survey Process-Methodology
• There is a sequential
methodology that can be
used to optimize the
creation and use of a
survey.
– Knowing what you want to
achieve and planning how
to get there are the best
way to succeed.
– This approach does take
time and costs money.
7
Data Collection Costs
• Task Costs – Manual Surveys
• Labor Costs
• Cover letter and questionnaire
– design & typing
– Purchasing mailing list cost (if necessary)
– Addressing mailing envelopes
• Cover letter and survey printing costs
– Envelope costs (both ways + more)
– Postage costs (both ways + more)
• Incentives Data entry and verification
– Statistical analysis software
• Distribution of the final report
8
Data Collection Costs
• Task Costs – Automated Surveys
• Labor Costs
• Planning
– Specifications
– Applications
– Hardware
• Questionnaire Design
– Notification System
– Participant identification
• Incentives Data entry and verification
– Statistical analysis software
• Distribution of the final report
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