Final answer:
Violence and abuse occur among families, and their frequency is difficult to determine due to underreporting. Abuse, whether reported or not, has a major impact on families and society.
Step-by-step explanation:
Violence and abuse can occur between spouses, between parents and children, and among other family members. It's important to note that the frequency of violence among families is difficult to determine due to underreporting. Studies have shown that abuse, whether reported or not, has a major impact on families and society as a whole.