Asked by MAE
Two common confounding variables that must be controlled in a nonequivalent control-group design are:
A. selection and regression to the mean.
B. selection and maturation.
C. maturation and regression to the mean.
D. sequence effects and maturation.
MY CHOICE IS A. BUT IM THINKING IT COULD ALSO BE B. HELP!!!
A. selection and regression to the mean.
B. selection and maturation.
C. maturation and regression to the mean.
D. sequence effects and maturation.
MY CHOICE IS A. BUT IM THINKING IT COULD ALSO BE B. HELP!!!
Answers
Answered by
Reed
There are several articles that discuss this:
http://www.bing.com/search?q=confounding%20variables%20that%20must%20be%20controlled%20in%20a%20nonequivalent%20control-group%20design%20are%3A%20&pc=cosp&ptag=D061515A213C8318C1&form=CONMHP&conlogo=CT3210127
http://www.bing.com/search?q=confounding%20variables%20that%20must%20be%20controlled%20in%20a%20nonequivalent%20control-group%20design%20are%3A%20&pc=cosp&ptag=D061515A213C8318C1&form=CONMHP&conlogo=CT3210127
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