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deniz-beken deniz-beken
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6 years ago
Which is NOT a necessary element of experimental research?
 
  a. random assignment
  b. independent variable
  c. testing a real-world problem
  d. intervention
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thtsuiacthtsuiac
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6 years ago
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deniz-beken Author
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6 years ago
Helped a lot
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Yesterday
Good timing, thanks!
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2 hours ago
This site is awesome
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