In the context of distribution of family work by gender, an analysis by the Pew Research Center (2019) reported that _____.
1) U.S. men spend fewer hours in paid work than women
2) Eighty percent of men are the ones usually doing the grocery shopping
3) Eighty percent of fathers say they are the household members who usually prepare the meals
4) More than half of married couples in the United States say sharing household chores is very important to a successful marriage