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Estimating Attrition Bias In The Year 9 Cohorts Of The Longitudinal Surveys Of Australian Youth: Technical Report No. 48, Sheldon Rothman
Estimating Attrition Bias In The Year 9 Cohorts Of The Longitudinal Surveys Of Australian Youth: Technical Report No. 48, Sheldon Rothman
LSAY Technical Reports
This technical paper examines the issue of attrition bias in two cohorts of the Longitudinal Surveys of Australian Youth (LSAY), based on an analysis using data from 1995 to 2002. Data up to 2002 provided eight years of information on members of the Y95 cohort and five years of information on members of the Y98 cohort. This amount of time was considered adequate to evaluate the extent of attrition bias and the performance of weights in correcting for bias. At the time each cohort was drawn, the sample represented the population of 15 year-old Australian students attending Australian schools, but …