A group of people who share a particular type of problem and provide mutual support to one another is known as a(n) ________ group

A child who begins walking well unassisted at 12 months is close to the average age for accomplishing this skill

Indicate whether this statement is true or false.

If a person with an abnormal behavior is unable to or unwilling to appreciate the extent of their problem or the impact it had on other people, what would psychologists say that person lacked?

A. ignorance B. insight C. logic D. common sense