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Title:  Imputation of Test Scores in the National Education Longitudinal Study of 1988 (NELS:88)
Description: This report records the efforts undertaken to use imputation to reduce the bias caused by nonresponse in the NELS:88 dataset. First, a simulation study was conducted to evaluate two different imputation procedures (a model-based random imputation method called PROC IMPUTE and a within-class random hot-deck imputation). Second PROC IMPUTE (which performed better in the study) was used to impute missing 2nd follow-up cognitive test scores in four subject areas: math, science, reading, and history/citizenship/geography.
Online Availability:
Cover Date: September 2001
Web Release: November 7, 2001
Print Release:
Publication #: NCES 200116
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Center/Program: NCES
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Type of Product: Working Paper
  Working Papers provide preliminary analysis of substantive, technical, and methodological issues. They are works in progress that are presented to promote the sharing of valuable work experience and knowledge. These papers have not undergone a rigorous review for consistency with NCES standards.
Survey/Program Areas: National Education Longitudinal Study of 1988 (NELS:88)
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