The best evidence supporting a genetic component to different ...

[formula1]

The best evidence supporting a genetic component to different disorders stems from
 
  a) proband studies.
  b) studies of twins reared apart.
  c) sibling studies.
  d) family studies.

Question 2

In regard to personality factors that may influence substance abuse, one study involved rating kindergarten children on several personality traits and following up with them several years later.
 
  In this study __________ in kindergarten predicted the onset of getting drunk, using drugs, and smoking at follow up.
  a) depression and novelty seeking
  b) anxiety and extraversion
  c) depression and introversion
  d) anxiety and novelty seeking

[yeungji]

Answer to Question 1

b

Answer to Question 2

d

[formula1]

Wow, this really help

[atrochim]

Thanks for the timely response, appreciate it