To Validate the Study,the Supervisors Call ________ of the Respondents

Multiple Choice

To validate the study,the supervisors call ________ of the respondents to inquire whether the field workers actually conducted the interviews.

A) 1 percent to 10 percent
B) 10 percent to 25 percent
C) 25 percent to 40 percent
D) 40 percent to 49 percent
E) 50 percent