2.1.11 - (2.1.11) Survey Research (3) Response Rate...

Info iconThis preview shows pages 1–2. Sign up to view the full content.

View Full Document Right Arrow Icon
(2.1.11) Survey Research (3) Response Rate Response Rate: The number of completed surveys divided by the number eligible/valid in the sample Number completed the survey/number eligible or valid in sample EX: Completed: 150, eligible/valid: 300 o Response rate: 50% o Non-response rate: 50% To obtain response rate, divide number of responders by total valid sample: o 550/800= 68.8% To obtain non response rate divide number of non-responders in valid sample by total valid sample: o 250/80= 31.3% Non-response error Non-response error: If there is a large difference between those who respond and those who don’t, the results may not be true descriptions of population ( lack of representativeness) Sources of non-response errors: o Refusal: decline to participate/refuse to answer any questions o Incomplete: fail to complete a survey once it has begun (answer only some parts) o Not at home: respondent is unavailable at the time of potential contact Reduce non-responses:
Background image of page 1

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Image of page 2
This is the end of the preview. Sign up to access the rest of the document.

This note was uploaded on 02/14/2011 for the course ADPR 3130 taught by Professor Lee during the Spring '11 term at University of Georgia Athens.

Page1 / 3

2.1.11 - (2.1.11) Survey Research (3) Response Rate...

This preview shows document pages 1 - 2. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online