In this paper we will operate the data collected by the National Household Education Surveys Program (NHES) which incorporates random telephone surveys in the United States. In 2005 there following surveys were performed:
- Early Childhood Program Participation Survey. This survey was related to educational programs and nonparental care arrangements of preschool children.
- After-School Programs and Activities Survey. This survey was about care of middle-school children during the afterschool hours.
- Adult Education Survey. In this survey data were collected about adult educational activities.
Thus, there were three populations of interest: children younger than 6 years, school-age children ...