An important aspect of supervision is ________, which attempts to insure that the interviewers are strictly following the sampling plan rather than selecting sampling units based on convenience or accessibility.

An important aspect of supervision is ________, which attempts to insure that the interviewers are strictly following the sampling plan rather than selecting sampling units based on convenience or accessibility.

An important aspect of supervision is ________, which attempts to insure that the interviewers are strictly following the sampling plan rather than selecting sampling units based on convenience or accessibility.



A) questionnaire design

B) sequential coding

C) sampling control

D) pretesting

E) insurance



Answer: C


Learn More :