Researchers have difficulty determining genetic influences on ...

[mynx]

Researchers have difficulty determining genetic influences on personality when they simply compare children with their parents. This is because
 
  A. it is difficult to find comparable measures for children and adults.
  B. genetic and environmental influences on personality are confounded when using this method.
  C. it is difficult to find control groups that match the experimental groups.
  D. we need to follow the development of the children's personalities for many years to determine genetic influences.

Question 2

Suppose you design a personality study in which you plan to use the twin-study method. You are probably conducting research to examine the
 
  A. influence of siblings on personality.
  B. stability of temperament over time.
  C. influence of genetics on personality.
  D. effects of birth order on personality.

[JCABRERA33]

Answer to Question 1

B

Answer to Question 2

C