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                            Activity Number:
                            
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                            252 
                            	- SPEED:Improving Survey Data Quality with Multiple Data Sources, Administrative Data, and Nonresponse Bias Control, Part 2
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                            Type:
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                            Contributed
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                            Date/Time:
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                            Monday, July 29, 2019 : 2:00 PM to 2:45 PM
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                            Sponsor:
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                            Survey Research Methods Section
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                            Abstract #307625
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                            Title:
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                            Carry Forward Imputation for Unit Non-Response After a Survey Redesign
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                        Author(s):
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                        Kimberly Ault* 
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                        Companies:
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                        RTI International 
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                        Keywords:
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                            multiple data sources; 
                            imputation; 
                            unit nonresponse; 
                            survey redesign 
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                        Abstract:
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                            Carry forward imputation can be used for unit-level survey non-response when historical data are available. Challenges for using carry forward imputation occur when a survey undergoes a redesign, since the historical data may not be most appropriate for imputation. A supplemental data source can be used to adjust the historical information. This paper discusses how CF imputation was used to impute data for all unit non-respondents in an education study after a redesign. In the current iteration, unit-level data were collected by Classification of Instructional Programs codes; whereas, for prior iterations, unit level data were collected by broad field of study codes. A supplemental data source was used to adjust the historical data by matching units and using a ratio adjustment based on the other data source to estimate unit-level changes.    
                         
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                    Authors who are presenting talks have a * after their name.
                 
                
                
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