This volume investigates the methodological challenges and theoretical utility of utilizing life history data to understand the development and progression of psychopathology. Merrill Roff, a prominent researcher in the field of developmental psychology, compiles findings from two academic conferences to address how longitudinal data can clarify the etiology of mental disorders. The text argues that retrospective and prospective life history analysis provides a necessary framework for identifying early indicators of adult psychiatric conditions. By synthesizing contributions from various experts, the book establishes a baseline for rigorous empirical study in clinical psychology.

Experts recognize this text as a foundational document for the development of longitudinal research methods in clinical psychology. Readers frequently note the academic density of the prose, which reflects the rigorous scholarly standards of the late 1960s research community.