This paperbound volume, the outcome of a Regional Research Conference in honor of Dr. Arnold Gesell's eightieth birthday in 1960, is not a report to read from cover to cover. The papers are uneven and they are only loosely related. Although many of the papers raise provocative questions about methodological obstacles to the study of child development, contributions from psychoanalysis (except Anthony's paper) and those stimulated by Piaget are conspicuously absent. Some psychoanalytic formulations that are cited are characteristically oversimplified in order that they may become categories that can be counted.

Knobloch and Pasamanick report on An Evaluation of the Consistency and Predictive Value of the 40-Week Gesell Developmental Schedule, finding it '… reliable and valid … for identifying infants