2 and 3 represents main ideas from the article
I think the answer is false?
If the manipulation of the independent variable causes a change in the dependent variable, covariance is established.
I believe the answer is: <span>I have had very little trouble adjusting to their departure.
If the couples experiencing separation with their children in the middle age (in mid 40s) , it could actually benefit them emotionally.
During the time their children are gone, they have more time to do things such that is not possible when they're taking care of their children (such as pursuing a hobby or going on long vacations)</span>
