Identical twins and nonidentical or fraternal twins are compared ...

[fbq8i]

Identical twins and nonidentical or fraternal twins are compared in
 
  a. longitudinal studies.
  b. twin studies.
  c. family studies.
  d. first degree studies.

Question 2

Billy has been experiencing discomfort in situations where he is not the center of attention. He displays emotions that shift rapidly and often do not seem real. He makes others feel uncomfortable with his inappropriately provocative style of interaction. Billy has many of the hallmarks of personality disorder.
 
  a. histrionic
  b. narcissistic
  c. borderline
  d. neurotic

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Answer to Question 1

b

Answer to Question 2

a

[fbq8i]

Wow, this really help

[softEldritch]

Great answer, keep it coming