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killian killian
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Posts: 6024
10 years ago
Twin studies and adoptee studies are both examples of ______ studies.      
      a.   analogue                     c.   case                  
      b.   experimental                     d.   kinship            
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Smiling Face with Open Mouth
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Answer accepted by topic starter
f_zah1f_zah1
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Posts: 10774
10 years ago
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