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Improving the Design of the Scientists and Engineers Statistical Data System (SESTAT) (2003) / Chapter Skim
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Evaluation of the Design Options
Pages 20-25

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From page 20...
... 3. Will sample sizes permit sampling precision that is adequate for the principal uses of the survey data?
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From page 21...
... Although cost is not one of our explicit evaluation criteria, we recognize that cost will constrain parameters of the final design choice. COMPARISON OF THE 2000 AND 1990 CENSUS FRAME OPTIONS Before discussing the merits of the hybrid option, we compare the two basic options.
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From page 22...
... SRS staff estimate that the 2000 census frame option would involve a screening rate (ratio of initial sample size to the number of SESTAT-eligible respondents) of almost 3 to 1, and that this would be the largest screening rate of the three options (Westat, 2002a)
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From page 23...
... The most important of the evaluation criteria are those involving data quality. Because the 2000 census frame option provides a direct and effective solution to the problems of the current sample by selecting fresh participants, it should produce much more accurate data in 2003 and into the future.
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From page 24...
... Assuming that the two samples could be combined successfully, the hybrid approach would allow SESTAT to capitalize on the cost advantages of the 1990 census frame option. The greater cost efficiency of the current panel would allow for a greater overall sample size than in the 2000 census frame option, if the reductions in the cost of screening are not counterbalanced by additional costs of retention.
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From page 25...
... An additional potential benefit of the hybrid option is that it would allow SRS to analyze aspects of specific survey items. For example, in 2003, SRS will ask about race using a new format that allows reporting multiple races.
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Key Terms

  • frame option
  • hybrid option
  • current sample
  • evaluation criteria
  • current panel

  • coverage gaps
  • support longitudinal
  • longitudinal analyses
  • potential advantages
  • data quality

  • screening rate
  • survey items
  • frame options
  • primary evaluation
  • constrain parameters

  • artificial blip
  • adjustment consists
  • limited success
  • response rate
  • option involves

  • option immediately
  • maintaining adequate
  • frames offers
  • longitudinal data
  • real trends

  • explicit evaluation
  • reduce nonresponse
  • cost efficiency
  • census frames
  • initial sample


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