For many years, a survey's response rate was viewed as an important indicator of survey quality. Many observers presumed that higher response rates assure more accurate survey results (Aday 1996; Babbie 1990; Backstrom and Hursh 1963; Rea and Parker 1997). survey’s response rate is the result of dividing the number of people whom were interviewed by the total number of people in the sample whom were eligible to participate and should have been interviewed.