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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
A researcher tests a new antidepressant drug. The drug works, but not for the theoretical   
      reasons proposed in the researcher's hypothesis. The experiment lacks ______ validity.   
      a.   face                           c.   internal                        
      b.   construct                     d.   external
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Smiling Face with Open Mouth
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f_zah1f_zah1
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