______________ method is less expensive.
Mailing questionnaire
Personal interview
Telephone interview
All of these
A survey which includes every element of the population is known as
Census
Sample survey
Pilot survey
Primary data
______________ method is cheaper.
Sampling
____________ is a smaller group selected from the population from which the relevant information would be sought.
Survey
Sample
None of these
____________ should be completed before the final survey commences.
____________________ method cannot be used by illiterates.
_____________ is a preliminary piece of research conducted before a complete survey to test the effectiveness of the research methodology.
___________ method is expensive.
______________ is based on first hand information.
Secondary data
Census method
____________ helps in pre-testing of the questionnaire.
