Which of the Following Statements Best Reflects Research Findings on Environment

Multiple Choice

Which of the following statements best reflects research findings on environment and temperament?

A) Identical twins will share the same disposition even after leaving the family.
B) Non-twins have widely diverse dispositions when raised in happy families.
C) Twins raised in nurturing families will likely have a friendly disposition.
D) Adoptive families tend to produce more emotional reactivity in non-twins.