During the last six years the opportunity has been afforded us to study the growth of a selected group of boys between the ages of 10 and 18 years who were in attendance at the St. Louis Country Day School. This includes the years of the second period of accelerated growth of the life cycle or the period of pubescence and early adolescence. The records of the six years have been studied from two standpoints: (1) The curve of periodic growth and (2) growth standards.
As many environmental factors influence growth, it is necessary to speak of the material. The average annual enrolment at the school has been around 225. The age of the lowest or entering class averages 10 years, and nearly all the boys remain until entering college. The pupils are in attendance from 9 until 5 daily for five days a week and leave home one hour
VEEDER BS, ROHLFING EH. STUDIES IN PUBESCENT GROWTH: WITH SPECIAL REFERENCE TO PERIODIC GAIN. Am J Dis Child. 1927;34(2):211–217. doi:10.1001/archpedi.1927.04130200055008
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