"The present volume deals particularly with the biometric aspects of normative investigation." It describes growth in behavior from an objective point of view and deals with those factors which can be accurately measured.
The book is divided into three parts. Part 1 deals with methods and procedures; part 2, with norms of infants' growth, and part 3, with analytic appraisal of the status of growth. In addition, there are several appendixes.
There is a detailed description of methods of examination, including the exact procedure to be followed in examining behavior, and there is an accurate explanation of record taking. The tables indicate behavior norms for each test and measurement. There is a description of "maturity level summaries," which indicate the average age when a given behavior can be expected.
The authors hope that accurate objective descriptions of growth and behavior will bring the study of development of infants closer to