When a field supervisor contacts respondents by phone to ...

[B]

When a field supervisor contacts respondents by phone to determine their reaction to the interviewer and asks them basic demographic questions in an attempt to ensure that interviewer cheating did not occur, this is the process of ______.
 Fill in the blank(s) with correct word

Question 2

Positioning by relative price requires which of the following elements of the marketing mix?
 a. price and product c. promotion and place
  b. price and promotion d. price and place

[aadams68]

Answer to Question 1

verification

Answer to Question 2

B
Definition of positioning by relative price

[B]

YES! Correct, THANKS for helping me on my review

[cdmart10]

Thanks for the timely response, appreciate it