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Home Q & A Board Science-Related Homework Help Psychology
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killian killian
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10 years ago
In a study on alcohol and aggressive behavior, subjects are randomly assigned to one of    
      two groups. One group receives real alcohol while the other group receives tonic water    
      which tastes identical to real alcohol. In this way, neither group of subjects knows who    
      got the real alcohol. In this study, the nonalcoholic tonic water serves as a(n) ______.      
      a.   selection factor                  c.   independent variable
      b.   dependent variable               d.   placebo
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Smiling Face with Open Mouth
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f_zah1f_zah1
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10 years ago
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