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Slide Presentation of the 2007 Annual Meeting of AHRQ

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Strong Quasi-Experimental Designs

Text Description is below the image.

  • Description of the "Non-equivalent Control Group Design"
    • Treatment Group - Time = O1 X O2
    • Comparison Group - Time = O1  O2
  • Description of the "Time Series Design"
    • Treatment Group - Time = O1 O2 O3 X O4 O5 O6
    • Comparison Series possible - Time = O1 O2 O3     O4 O5 O6



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