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Preferred term

attrition  

Definition

  • Attrition is a term used to describe the process by which a SAMPLE reduces in size over the course of a survey data collection process due to NONRESPONSE and/or due to units ceasing to be eligible. The term is also used to refer to the numerical outcome of the process. [Source: The SAGE Encyclopedia of Social Science Research Methods; Attrition]

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URI

https://concepts.sagepub.com/social-science/concept/attrition

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