Which factor INCREASES the level of support between siblings?

Question

Quizplus · Accepted Answer

Parental support has been found to be a significant factor in increasing the level of support between siblings. When parents are supportive of their children and their relationships with each other, it fosters a positive sibling bond. Marital conflict and differential treatment by parents can actually decrease sibling support, while birth order has mixed effects on sibling relationships.

Which Factor INCREASES the Level of Support Between Siblings