Consider this claim: Regular household chores teach children responsibility. Which is the strongest...

Consider this claim:
Regular household chores teach children responsibility.
Which is the strongest evidence to support the claim?
Childhood development experts say that young children frequently imitate their parents when they see them doing chores.
Bill Landry, a father of three, notes that his children have been more likely to save their allowances ever since they started helping out with household chores.
A recent report indicated that children who were required to do regular chores were more likely to consistently complete their homework.
One study found that children who are given regular household chores score higher on measures of self-worth.