Relationships Between Siblings Are More Likely to Show High Levels

Relationships between siblings are more likely to show high levels of conflict when parents consistently pay more attention to one sibling.Who have researchers found are particularly sensitive to unequal treatment?

A) Younger siblings are particularly sensitive to unequal treatment, reacting negatively if they perceive that the older sibling is favoured.
B) Girls are particularly sensitive to unequal treatment, reacting negatively if they perceive that a brother is being favoured.
C) Boys are particularly sensitive to unequal treatment, reacting negatively if they perceive that a sister is being favoured.
D) Older siblings are particularly sensitive to unequal treatment, reacting negatively if they perceive that the younger sibling is favoured.