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Home Q & A Board Science-Related Homework Help Psychology
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killian killian
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9 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. Although the researchers know which group got    
      the real alcohol, none of the subjects know. This study is designed as a ______ placebo-control study.      
      a.   single-blind                     c.   longitudinal
      b.   double-blind                     d.   correlational
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