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Home Q & A Board Biology-Related Homework Help Medicine Nursing and Clinical
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cheyww cheyww
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6 years ago
Which of the following is a necessary component of experimental design?
 
  a. Attrition
  b. Comparison of naturally occurring groups
  c. Convenience sample
  d. Manipulation of the independent variable
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yuhiyuhiyuhiyuhi
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6 years ago
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cheyww Author
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#2
6 years ago
thanks for your help
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