On this page Sample Answers provide a range of free utilities related to sampling activities and also direct links to a number of relevant sources and utilities provided by other companies.
UK Telephone Exchange Checker
This utility checks that the entered phone number is valid according to the UK Specified Numbering Scheme, published by Ofcom. If the entered number is valid, it returns the exchange name and operating company. Additionally, if the number is subject to change from 28th April 2000, the new number will be provided.
UK Telephone Number Validator
This utility checks a list of UK telephone numbers and returns the same list amended for any number changes required by the Big Number Change. Entered numbers are also checked for validity against the UK Specified Numbering Scheme, published by Ofcom. Finally, the error report also identifies any duplicate phone numbers which may be present in your list. Numbers may be of any UK type, including standard terrestrial PSTN, mobiles, pagers, nationally dialed ‘lo-call’, and premium rate services.
ONS Data look-up for individual Postcodes
To help you make your business sample selections, you can now choose the SIC codes you require by downloading our free file. This file includes the matching codes from 1972 US SIC, 1980 and 1992 UK SIC, NACE, Thomson, UK 1992 SIC and UK 2003 SIC.
Geodemographics Knowledge Base
The Geodemographics Knowledge Base is the product of an academic research project commissioned by the Census and Geodemographics Group of The Market Research Society. The purpose of the Knowledge Base is to draw together links to geodemographically-relevant sites in one flexible database, which will be regularly updated and expanded to become an invaluable starting point for people interested in the subject.
Sample Size and Confidence Interval Calculator
This Sample Size Calculator is presented as a public service of Creative Research Systems. You can use it to determine how many people you need to interview in order to get results that reflect the target population as precisely as needed. You can also find the level of precision you have in an existing sample.
Telephone Preference Service around the world
Here is a list of several international TPS services around the world:
- UK – www.tpsonline.org.uk/tps
- USA – www.do-not-call.com
- GERMANY – www.robinsonlist.de
- FRANCE – www.e-robinson.com
- BELGIUM – www.robinsonlist.be
- ITALY – www.cancellami.it
- SPAIN – www.fecemd.org/slr.asp
World Values Survey
The World Values Survey is a worldwide investigation of sociocultural and political change. It has carried out representative national surveys of the basic values and beliefs of publics in more than 65 societies on all six inhabited continents, containing almost 80 percent of the world’s population. This study has given rise to more than 300 publications, in 16 languages.
Cessda Council of European Social Science Data Archives
CESSDA promotes the acquisition, archiving and distribution of electronic data for social science teaching and research in Europe. http://www.nsd.uib.no/cessda/index.html
US CENSUS http://www.census.gov/geo/www/maps/
Cartographic products http://www.census.gov/geo/www/cob/scale.html
Interstate Statistical Committee of the CIS is an official disseminator of statistical information on social and economic situation in the CIS countries. http://www.cisstat.com