Question

• The investigation or fieldwork entails the actual collecting of
the primary data from the sample elements.
• The investigation is often the most expensive aspect of the
research process and there is a considerable chance that
mistakes will be made.
• Interviewers (fieldworkers) must be selected, trained and
supervised with care.
• The investigation must be planned thoroughly and clear
instructions and appropriate methods of motivating used to
maximise the co-operation and honesty of both fieldworkers
and respondents.
make it one short sentence in simplest english

Answer 1

Collecting data in research is costly and risky, so it's important to carefully choose, train, and support interviewers, plan thoroughly, and motivate everyone involved to ensure cooperation and honesty.