Chores Help Kids become better adults?

Yes, according to this chore research...

How can parents raise responsible children — children who can keep themselves out of danger and say "no" to alcohol, drugs and sex?

The best solution is an old-fashioned one that may, at first, seem improbable: household chores. Chores top the list of most of the experts interviewed for this story.... Drug Prevention Magazine

Most parents work diligently trying to provide food, clothing, shelter and love for their children. Parents, however, need to add one more important thing to that list. They need to give their children age appropriate chores. -- Mrs. ABC

Chores allow children an early and sustained opportunity to experience responsibility. Independence and self-sufficiency in life are tied, ultimately, to mastery of two types of responsibility: personal and social responsibility. - Dr. Bradley

It is a good idea for parents to teach their children at an early age that all family members must work together to make the household run, and that each person must do his or her share of the work load. This can be done by beginning a program of chores and responsibilities when children are young. - Effective Parenting