Answer:
Helping behavior.
Explanation:
Helping behavior is roughly defined as providing aid or benefit to another person in which it doesen't matter what the motivation of the helper is, only that the recipient is assisted. In this experiment, that is the dependent variable. Young children will attempt to imitate those models when they are helping, like a teaching of sorts, but won't have nothing to see in them if the models aren't engaging in this helping behavior.
It is very powerfull and they all work together as one team
Perhaps two months at most. There was no noticeable change in seasons, although a tropical locale could account for that. Their clothes got ragged and hair grew long. It's interesting that they made no attempt to track the passage of time. Strange that no one had even a pocket watch.