Citeseerx document details isaac councill lee giles pradeep teregowda. Background documentation sample and design paper weights documentation using the weights constructing the weights baseline year 5 core couple weights year 3 year 9 child weights year 3 year 9 pcg weights year 9 core weights year 15 weights documentation by wave here you will find general documentation for the data.
Sample and design children and youth services review 2001 vol 23 no 4 5.
Fragile families sample and design. Sample and design 313 ple size in the 8 cities with all extreme values. This paper provides important background information on the fragile families and child wellbeing study and is the first and only paper to provide detailed information on the research methodology and sampling strategies employed. Follow up interviews were conducted when the child was one three five and.
The bulk of the paper is devoted to a detailed description of the three stage sampling. A core strength of the fragile families and child wellbeing study is its significant representation of black and latinx families. Sixteen of these cities were selected via a stratified random sample and comprise the national sample.
The sample for this study includes non hispanic white and hispanic non white families drawn from the fragile families and child wellbeing study ffcws which includes 4898 primary caregivers. Many researchers have used these data to study the impacts of mass incarceration police contact and school discipline which disproportionately affect communities of color. The percentage us born in the fragile fami fragile families.
For each wave of data and for each unit of analysis mother father couple users can weight the data up to two different populations the national level 2. We highly recommend reading the user guides for each. 48 possibly reflecting the restrictions imposed by many of the hospitals on interviewing parents who were minors.
To a detailed description of the three stage sampling process that was. Hence the inclusion of large sample and small sample cities. This paper provides important background information on the fragile families and child wellbeing study and is the first and only paper to provide detailed information on the research methodology and sampling strategies employed.
Sample and design 325 lies sample is very similar to that in the us. It uses a stratified random sample technique and an oversample of non marital births. Baseline data collection ran from 1998 2000 with interviews with both biological parents shortly after the child s birth.
There were three reasons for concentrating observations in cities. There are 20 cities in the full fragile families sample. A detailed description of our sample design is contained in reichman et al 2001 the fragile families and child wellbeing study.
The percentage of first births in the fragile families sample is somewhat lower than that in the us 35 vs. The fragile families and child wellbeing study is a longitudinal birth cohort study of american children in urban areas run by princeton university and columbia university with the university of michigan.