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serenaspv01 serenaspv01
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Posts: 772
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6 years ago
What study design allows study participants to serve as their own controls, allowing early trends in the data to emerge?
 
  a. Cross-sectional
  b. Ex post facto
  c. Retrospective
  d. Longitudinal
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jacobhollyyjacobhollyy
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6 years ago
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serenaspv01 Author
wrote...

6 years ago
Just got PERFECT on my quiz
wrote...

Yesterday
I appreciate what you did here, answered it right Smiling Face with Open Mouth
wrote...

2 hours ago
Thanks
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