Observational research was conducted in homes with a wide socioeconomic range to identify the major factors of experience that affect the development of a child's abilities. Thirty children, aged 12 to 36 months, were observed in three aspects of their environment: Human (family and peers), Static Physical (home and neighborhood), and Range of…

This research was designed to serve two major purposes: (1) to create a substantial library of theoretically neutral observational data as permanent documentation of actual life experiences in the lives of 3-year-old children from different socioeconomic backgrounds and (2) to analyze specimen records in order (a) to describe and quantify the…