Papers 1978

Patterns of attainment

Shape change in children

A method is given for measuring shape change with age, utilizing two dimensional body outlines. Problems of standardization for overall size are discussed and it is shown how the method can be used to draw D’Arcy Thompson-type transformation grids. The method is applied to serial measurements on a girl from 3½ to 19 years of age.

Regression to the mean – an explication

Tonsillectomy and Circumcision