____________ are based on first hand information.
Sampling
Primary data
Secondary data
None of these
____________ method does not allow influencing of the respondents by the interviewer.
Personal interview
Telephone interview
Mailing questionnaire
____________ refers to a group or section of the population from which information from which information is to be obtained.
Sample
Random
Pilot survey
_____________ is a tool,which helps in understanding problems by providing information.
Data
Information
Survey
___________ method is expensive.
____________ method is used when the researcher has access to all the members.
Sample survey
____________ questions are easy to use and to codify for analysis.
Open ended
Closed ended
Interview
______________ are mainly selected on the basis of judgement,purpose,convenience or quota.
Random sampling
Non-random sampling
Sampling errors
Non-sampling errors
____________ helps in pretesting of the questionnaire.
There are _________ basic ways of collecting data.
Two
Three
Four
Five
