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Home Q & A Board Biology-Related Homework Help Medicine Nursing and Clinical
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Liaaaa Liaaaa
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6 years ago
A study of a program to help people quit cigarette smoking had three groups of subjects. The first group received one supportive phone call 10 days after attending a program on strategies to resist smoking.
 
  A second group received a supportive phone call every week for 6 weeks after attending the program. A third group received no supportive phone calls after attending the program.
 
  In the above scenario, which of these properties of experimental research is evident?
  a. Quasi-experimental design with no control group
  b. Random assignment to research groups
  c. Manipulation of the treatment dose
  d. Control of extraneous variables
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rayohn2010rayohn2010
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6 years ago
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Liaaaa Author
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6 years ago
I appreciate what you did here, answered it right Smiling Face with Open Mouth
alpheratz
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Yesterday
Helped a lot
hpascoe
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2 hours ago
This calls for a celebration Person Raising Both Hands in Celebration
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