Using NELS:88 data, this analysis report will provide a thorough examination of the quality of the data collected through the NELS:88 base year survey and will serve as a benchmark for many future analyses. Assessment of data quality leads to better analysis and interpretation of the data and improvements in the designs of future follow-ups and studies. The report will describe the quality of the NELS:88 base-year data focusing on: 1) validity - parent data used as standard, 2) consistency - agreement between similar responses in different sections of questionnaire and 3) quality of data by student characteristics.
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