NLSCY – Suggestions for papers

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# NLSCY – Suggestions for papers - PowerPoint PPT Presentation

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

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Presentation Transcript
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
• 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
• 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
• 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)
• 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
• What type of study is done?
• Longitudinal?
• Cross-sectional
• NLSCY used as a repeated survey?
• Mix of the above?
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
• 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
• Were statistical tests used?
• If so, are they clearly identified?
• Are they appropriate for what you are doing?
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)?