Know the 4 Types of Survey Error

There are 4 generally accepted types of survey error. Anyone who conducts a survey should be aware of the 4 types of error. know the 4 types of SURVEY ERROR "Survey error" refers to factors that affect the accuracy of a survey estimate. the 4 kinds of survey error are Sampling Coverage Measurement Non-Response Sampling Error Sampling error arises from the fact that you are not measuring everyone in the target population; you are only surveying a portion of them. If you could do your survey hundreds of Usually your result would be close to the "real" number times... But sometimes it would be far from the "real" number But normally you only get one try, not hundreds Coverage error occurs when you are not able to survey a representative sample of the population you are studying. Coverage Error You don't survey these people, even though they are part of the group you're studying You survey these people Measurement error occurs when the way you choose to measure something leads to inaccurate data. Measurement Error What is usually the cause of measurement error? ?? Only write questions that people can realistically answer! Poorly worded questions! 85% of women completed Non-Response Error 67% of men completed Non-response error occurs when some groups within your survey complete the survey less than other groups. Uh, oh! If you familiarize yourself with sources of survey error, you will be more likely to write better surveys and get more accurate results! researchaccess This infographic is brought to you by Research Access Resources for the Research Community http://researchaccess.com THE TOTAL SURVEY Want to dig deeper? Here's a great book that covers survey error in detail http://researcha.cc/surveyerrorbook ERROR APPROACH There are 4 generally accepted types of survey error. Anyone who conducts a survey should be aware of the 4 types of error. know the 4 types of SURVEY ERROR "Survey error" refers to factors that affect the accuracy of a survey estimate. the 4 kinds of survey error are Sampling Coverage Measurement Non-Response Sampling Error Sampling error arises from the fact that you are not measuring everyone in the target population; you are only surveying a portion of them. If you could do your survey hundreds of Usually your result would be close to the "real" number times... But sometimes it would be far from the "real" number But normally you only get one try, not hundreds Coverage error occurs when you are not able to survey a representative sample of the population you are studying. Coverage Error You don't survey these people, even though they are part of the group you're studying You survey these people Measurement error occurs when the way you choose to measure something leads to inaccurate data. Measurement Error What is usually the cause of measurement error? ?? Only write questions that people can realistically answer! Poorly worded questions! 85% of women completed Non-Response Error 67% of men completed Non-response error occurs when some groups within your survey complete the survey less than other groups. Uh, oh! If you familiarize yourself with sources of survey error, you will be more likely to write better surveys and get more accurate results! researchaccess This infographic is brought to you by Research Access Resources for the Research Community http://researchaccess.com THE TOTAL SURVEY Want to dig deeper? Here's a great book that covers survey error in detail http://researcha.cc/surveyerrorbook ERROR APPROACH