A survey is a way of systematically gathering information using structured interviews or
postal/ telephone questionnaires, it also involves the interpretation of this data by
enumeration and statistical analysis. Results form surveys should not be taken at face
value as they often are. The data collection process needs to be looked at in greater detail
and understood before the results can be correctly interpreted.
This essay will explain how and where errors can occur in the data collection process
by discussing the administration and construction of postal questionnaires. Postal…(short extract)