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Home Q & A Board Science-Related Homework Help Mathematics Statistics and Probability
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fjna fjna
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6 years ago
Roberto wanted to examine the impact of newly enacted seat belt laws. He did so by comparing deaths due to car crashes before and after implementation of the laws. He did this in multiple states and compared the changes in deaths with states that did not implement seat belt laws in order to more clearly understand the impact of the new laws. Which design did he use?
 
  a. a true experimental design
  b. a survey design
  c. a multiple time-series design
  d. cost-benefit analysis
  e. longitudinal design
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#1
6 years ago
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