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cltmpre cltmpre
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6 years ago
________ and ________ are the hallmarks of the experimental method, which set it apart from the observational and correlational methods.
 
  a. Random assignment; probability levels
  b. Representative sampling; control over extraneous variables
  c. Control over extraneous variables; random assignment
  d. Correlation coefficients; dependent variables
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Fireman812Fireman812
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6 years ago
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cltmpre Author
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6 years ago
Thanks
halyna
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Yesterday
I appreciate what you did here, answered it right Smiling Face with Open Mouth
larrybrads
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2 hours ago
You make an excellent tutor!
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