Which of the Following Is True Regarding the Role Professional

Multiple Choice

Which of the following is true regarding the role professional field data collection companies play in terms of nonsampling error?

A) Thus far, these companies have failed to recognize nonsampling error.
B) Only a handful of these companies can be counted on to effectively control nonsampling error.
C) Although these companies give "lip service" to nonsampling error reduction, they offer little help in the control of nonsampling error.
D) Because their existence relies on providing high quality data, field data collection firms are relied on by researchers to know both the sources of and ways to control nonsampling error.
E) These firms are waiting on technological advances to help in the control of nonsampling error.