Research Services
Case study: Pembrokeshire Coast National Park postal and self-completion survey
In 2005 Research and Marketing conducted a postal survey and a self-completion survey on behalf of the Pembrokeshire National Park.
Postal Survey
2,500 questionnaires assessing local residents opinions on the local sites and footpaths were sent out to residents in pre-determined areas throughout Pembrokeshire in order to generate a response rate of 500.
The sample size was based on the estimated local population of 110,000 and the figure of 500 respondents was deemed to be sufficient. The confidence interval for a sample of this size was +/- 4.4
All questionnaires were accompanied by a letter of introduction and explanation. This was included on the first sheet of the 4 page questionnaire for ease of pack and despatch. This letter explained the purpose of the questionnaire and included contact details, for both internal and external support in completing the questionnaire. This letter also helped to reassure respondents about confidentiality and explain our role as an independent agency, as well as explaining the returns process.
Self completion survey
A self completion survey was conducted between June and September 2005. The total number of interviews achieved was 1,354. Questionnaires in both English and Welsh were placed at 8 locations across the National Park, on walking routes promoted by the National Park Authority. The paths selected were considered to be typical of their locality, in terms of their use, character and condition.
At each location a 'post box' was installed to allow walkers to fill in survey forms and 'post' them into a locked compartment. The completed forms are collected on a regular basis by staff and voluntary wardens and replenished with new forms and pencils.
Data tables were shown by the following cross breaks:
- Overall area
- Individual location
- Age/SEG/Gender
Reporting included:
- Full overall report
- Postal survey specific report
- Self-completion specific report
Final presentation