All,
I have received a response from SOCAP re the survey:
"This survey of the membership is something that the Society carries out
every few years to ascertain the views of members on the services that the
Society offers.
As with any market research, we only used a sample of the membership, 2000
to be exact, ensuring that we covered the whole of the UK geographically.
The reason that we did not survey the whole membership is that
statistically, you only need to survey 350 people to ensure an accuracy of
response of +/- 5%.
Therefore we know that all the information we get back represents the views
of around 95% of the membership.
Therefore, it is not only time consuming to survey the whole membership, but
also very costly with very little advantage.
Obviously, there may be people who were not part of the survey that wished
to make their views known, but there is no reason members cannot write to us
separately if they have a particular view.
I hope this answers your question. "
I will be asking questions around sampling strategy etc. and how they
arrived at those figures above because we all know that 75% of stats are
made up on the spot ;-) Anybody know about power analysis for questionnaire
based research- closed questions and rank answered questions? What is the
total membership of SOCAP?
Best wishes,
Simon
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