The most common type of instrument used in survey is
Census
Random sampling
Questionnaire
Sample method
A survey which includes every element of the population is known as
Sample survey
Pilot survey
Primary data
In __________ method the investigator asks questions over the telephone.
Personal interview
Telephone interview
Sampling
Mailing questionnaire
____________ should be completed before the final survey commences.
______________ method is less expensive.
All of these
____________ questions are used to get more than just a one word answers.
Data
Closed ended
interview
Open ended
The difference between the actual value of a parameter of the population and its estimate is the
Non - random sampling
Non - sampling error
Sampling error
Raw data is also known as
Survey
Secondary data
_____________ is a preliminary piece of research conducted before a complete survey to test the effectiveness of the research methodology.
____________ refers to a group or section of the population from which information is to be obtained.
Sample
Random
