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matt898967 matt898967
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6 years ago
Which design not only controls all threats to internal validity but also controls the effect of pretest/posttest scores?
 
  1. Nonequivalent control group design
  2. Solomon four-group design
  3. Posttest-only control group design
  4. Pretest/Posttest control group design
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DR.BREEEEEEDR.BREEEEEE
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6 years ago
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This verified answer contains over 130 words.
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matt898967 Author
wrote...

6 years ago
Smart ... Thanks!
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Yesterday
Just got PERFECT on my quiz
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2 hours ago
Thanks
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