The basic issue underlying this research is whether or not adult personality structures change after maturity is reached. Problems involved in the longitudinal study of psychological variables are discussed and 2 feasible designs applied in an effort to differentiate the effects of chronological age, secular trends, generation differences, as well…

Quality of life in adulthood (ages 27-47) was investigated; age, marital status and sex were considered the primary variables. Attention was given to the consideration of the current crises-oriented theory of adult development. The interrelationship of the variables was of principle interest in assessing life satisfaction and personality…

This textbook is designed to introduce undergraduates to the scientific study of aging in adults. Among the topics covered in the book's 15 chapters are: approaches to the study of adult development and aging (research methodology and related issues, a life-span perspective, ethical issues); theories in the study of adult development (models of…