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swaggymeggy swaggymeggy
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6 years ago
Practice effects are a major problem with .
 
  a. cross-sectional designs
  b. longitudinal designs
  c. time-lag designs
  d. sequential designs
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hellokristi4hellokristi4
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6 years ago
I appreciate what you did here, answered it right Smiling Face with Open Mouth
deathwing
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This calls for a celebration Person Raising Both Hands in Celebration
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this is exactly what I needed
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