The Pros and Cons of Data Collection, as explained by DJS Research Ltd.
What are the advantages and disadvantages of mail surveys? The advantages of mail surveys are: No interviewer bias
Cheap
Repeatable
Often gains thoughtful answers The disadvantages are: Doesn't ensure qualified respondent
Low response rate
Inability to gain further detail / probe
Poor turnaround time What are the advantages and disadvantages of telephone surveys? The advantages of telephone surveys are: Ensure qualified respondent
Ability to probe / Gain further detail
Fast turnaround time
Good response rate The disadvantages are: Distribution bias (difficult to reach certain segments)
Use of phone mail and answering machines
No absolute assurance of confidentiality
Interviewer bias What are the advantages and disadvantages of in-person or face-to-face surveys? The advantages of in-person surveys are: Ensure qualified respondent
Ability to probe and can show objects etc
Good response rate
Respondent involvement
The disadvantages are:
Pontential exists for interviewer bias
Expensive due to travel and other costs
Interviewer bias can be extreme
Poor turnaround time What are the advantages and disadvantages of Internet surveys? The advantages of Internet surveys are: Low cost
No interviewer bias The disadvantages of Internet surveys are: Doesn't ensure qualified respondent
Biased respondent demographics (not projectable)
Inability to probe (can ask only a couple of questions)
Poor response rates - facility exists for survey to be terminated What are the major advantages and disadvantages of focus groups? The advantages of focus groups are: Can include product demo's, visuals, and food service
Good idea generator (brain storming) The disadvantages are: Can be very expensive (recruiting, incentives, etc.)
One focus group session represents only a single data point (not statistically valid)
A group leader may appear and adversely affect overall results
Participants may not attend (risk of failure)
Recruiting is limited - participants must be able to attend and therefore limited to those who work or live nearby.
Client personnel may coach participants or edit transcripts. To see further information please visit DJS Research by clicking here: Market Research UK Follow DJS Research Ltd: On Twitter :: On Facebook :: On Linkedin :: On You Tube Other DJS Sites: Customer Satisfaction Survey :: Business To Business Market Research :: International Market Research :: Industrial Market Research :: Branding Research :: Qualitative Research :: Online Market Research :: Market Research Manchester :: Market Research Agencies
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