The Oakland growth study is one of Cover Jones' most influential studies. The Oakland growth study was the third in a series of longitudinal studies from Berkeley College . The first study in the trio was the Berkeley Growth Study, looking at newborns (1928), followed by the Berkeley Guidance study, looking at preschool age children (1928). Both studies were done by looking at children living in Berkeley, California.  The Oakland Growth Study (OGS) was led by Cover Jones and her husband. The study began in 1932 in Oakland, California. The Study followed 212 students in the fifth and sixth grade who were born between the years 1920-1921.  The participants were studied twice a year until they graduated from high school. The study's primary goal was to understand typical adolescence. They looked at physical abilities, physiological changes, and peer relationships.  They were then studied in adulthood at ages 38, 48, and 60 years old.  The studies in adulthood consisted of interviews, questionnaires, personality inventories , and health assessments. The final interview of participants took place in 1980, when Cover Jones was 83 years old.
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