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NLSCY – Suggestions for papers. NLSCY - National Longitudinal Survey of Children and Youth. Objectives of the Presentation. Emphasize proper ways to use the NLSCY data Identify the key factors we are looking at when reviewing a paper. NLSCY.

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nlscy suggestions for papers
NLSCY – Suggestions for papers

NLSCY - National Longitudinal Survey of Children and Youth

objectives of the presentation
Objectives of the Presentation
  • Emphasize proper ways to use the NLSCY data
  • Identify the key factors we are looking at when reviewing a paper
nlscy
NLSCY
  • NLSCY is a longitudinal survey with a complex sample design
  • As a result, the data must be used properly:
    • Data limitations must be known
    • Weights, variance, valid statistical tests must be used
the factors what are we looking for when reviewing a paper
The factors – What are we looking for when reviewing a paper?
  • 1 - Data sources, domain of study
  • 2 - Type of study
  • 3 - Use of the design weights
  • 4 - Proper variance calculation
  • 5 - Statistical tests and analytical methods
the factors 1 data sources
The factors – 1 - Data sources
  • Are the data sources clearly identified?
    • Cycle(s) used?
    • Which subgroups or domains?
    • Which variables are used?
    • NLSCY target population well defined?
    • Are the NLSCY data limitations clearly identified?
the factors 1 data sources cont d
The factors – 1 - Data sources (cont’d)
  • Responses rates to the key variables stated?
  • How is the partial non-response handled?
  • Sample sizes provided? Are the sample sizes sufficient? Confidentiality issues?
the factors 2 type of study
The factors – 2 - Type of study
  • What type of study is done?
    • Longitudinal?
    • Cross-sectional
    • NLSCY used as a repeated survey?
    • Mix of the above?
the factors 3 design weights
The factors – 3 - Design weights
  • Are the design weights used?
    • Appropriate weights (cross-sectional, longitudinal) used?
    • Revised weights or the original weights?
    • Re-weighting done to account for the partial non-response?
  • If the weights are not used, why?
the factors 4 variance
The factors – 4 - Variance
  • How is the variance calculated for all the estimates?
    • CV look-up tables?
    • Excel spreadsheet with CVs for proportions?
    • Using the Bootstrap weights?
    • Using a SAS or SPSS procedure, without taking into account the design? : a big DON’T.
    • No variance? Another big DON’T
the factors 5 statistical tests
The factors – 5 - Statistical tests
  • Were statistical tests used?
    • If so, are they clearly identified?
    • Are they appropriate for what you are doing?
the factors in brief
The factors – In brief
  • Would a reviewer be able to reproduce your results and reach the same conclusions, given you have used all the appropriate methods (weights, variance, statistical tests)?