You’re putting together a survey and know who you want to interview and what you want to ask but how do you decide on the number of people you want to interview? There is no easy answer, the most appropriate sample size for any survey depends on the resources available and the project objectives. Firstly, generally the larger the sample…
Tag: quotas
Why are we weighting? A basic introduction to the concept of weighting
Often, data collected from surveys isn’t exactly representative of the target population even in those instances where quotas have been applied (see our blog on how to get representative samples for more on quotas). Weighting is a statistical technique that can be used to correct any imbalances in sample profiles after data collection. Imagine we have a target population that is evenly split…
The importance of representative samples and how to get them
What are representative samples? For most market research surveys it is impractical, in terms of time, budget and other factors, to interview everyone in your target population. To get a view of how the population of the UK feels we don’t need to interview everyone in the country, instead we ask a sample for their opinions. As far as possible the…
- The Austin Research approach to survey design
It's easy to design surveys but very difficult to design surveys well. At Austin Towers ...Read More
- Avoid binary options when writing attitude statements
I've just received a survey from an insurance company that recently provided me with a ...Read More
- In questionnaire design clarity trumps brevity
When designing survey questions two considerations that should be uppermost in your mind are making ...Read More
