____________ questions are used to get more than just a one word answers.
Data
Closed ended
interview
Open ended
______________ method is cheaper.
Personal interview
Mailing questionnaire
Telephone interview
Sampling
____________ refers to a group or section of the population from which information is to be obtained.
Sample
Random
Pilot survey
Sampling error
_____________ is a preliminary piece of research conducted before a complete survey to test the effectiveness of the research methodology.
Sample survey
Census
Random sampling
The difference between the actual value of a parameter of the population and its estimate is the
Non - random sampling
Non - sampling error
______________ method is less expensive.
All of these
____________________ method cannot be used by illiterates.
A survey which includes every element of the population is known as
Primary data
The most common type of instrument used in survey is
Questionnaire
Sample method
Raw data is also known as
Survey
Secondary data
