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Data Services Knowledge Base:
Data Type: Longitudinal/Panel Questions

  1. I am publishing an article based on the public use NLS79 file. Do these data need to be acknowledged like the restricted data?
  2. A student of mine is interested in a survey called the Longitudinal Survey of Immigrants to Canada. Can you help her with access?
  3. I am a doctorate student and am interested in analyzing Add Health and NLSY data. Where can I get permission to access the data? Could I publish a paper with the data analyzed?
  4. I am trying to work with the Early Childhood Longitudinal Survey Kindergarten cohort data or some other data that will allow me to look at the impact of school year length (especially long school year calendars) on student achievement. Do you know of any other sources of education data?
  5. I have a student who is interested in post-retirement employment patterns and determinants. She is very interested in looking at trends in the experience and correlates of post-retirement employment. We are thinking about using the CPS and taking advantage of the "month in sample" variables to construct some short longitudinal files so that we can estimate the prevalence and determinants of returning to work after retirement. So here are my questions: 1. If a respondent reports being retired at time t, are they asked questions about employment in subsequent interviews? 2. Do you know of any technical bulletins or such information that lays out exactly how to link respondents across the their multiple interviews?
  6. I have a student looking to measure the geographic dispersion of families (at least in the U.S., and other places if possible), specifically: 1) how many families with children at home have grandparents who are out of state and 2) how many divorced parents with children at home are not co-located in the same state (e.g., child lives with one parent and the other is out of state or child spends time with each parent in separate states)." There seem to be lots of measures of an individual household's mobility (from the U.S. Census and CPS per se), and the U.S. Census even has a measure of grandparents living in the same household with children. Do you know of any nationally representative data that will fit the bill?
  7. Does PSID have a value of car variable for the time period 1987-1997?
  8. I need a longitudinal data file that has multiple measures of blood pressure. The sample should include women of all races.
  9. I want to use the NLS97 cohort for a study of religious affiliation of youth. I am having trouble finding religious preference.
  10. I want to apply for the restricted version of PSID data (geocode). Can you clarify what sort of secure environment PSID requires.
  11. Can you help me find a public-use codebook for Baccalaureate and Beyond (B&B)and the National Education Longitudinal Study (NELS)?
  12. ICPSR has the Early Head Start Research and Evaluation (EHSRE) study but it only has the public use file. Where is the restricted version of the data and what are the access conditions?
  13. I am looking at the life history calendar for the Chitwan Valley (Nepal) study data. The total number of observations listed is 5,271, but there are only 1,469 observations in the life history data. What is the solution?
  14. Do you know anything about the National Longitudinal Mortality Study? I am interested in whether the cause of death (CAUSE) is available in the public use data.
  15. I am working with the National Comorbidity Survey Replication (NCS-R) and I want to know the exact sampling method, universe eligibility, etc. for the following items: TB15L: Self report of tobacco as causation of emotional problems SC21, SC22, SC23: Variables related to depression DA31B_101: Religious preference DA40: Age of mother when you were born PEA52: Personality question - “I often feel empty inside"
  16. The PSID changed their sample in 1997 - reduced the number of original families that are included in the survey. How does this affect the weights?
  17. I want to compare the mobility of siblings in the PSID. How can I find siblings considering they no longer live in their family of origin?
  18. I am doing an analysis with the PSID and I need a very simple variable – race. Where is the race variable?
  19. The PSID is not based on a simple random sample. What variables should I use for complex sample survey variance estimation?
  20. I'm interested in looking at birth weight as a measure of child well-being. I can only find this in the Child Development Supplement (CDS), but this is only available from 1997 on.