African Journal of Human Development and Lifespan (AJHDL) is published by Nigerian Association of Developmental Psychologists, a division of Nigerian Psychological Association (NPA) in Nigeria. The goal of the journal is to promote multidisciplinary research in all fields of psychology, applied psychology from the life span perspective, social sciences, medicine as well as behavioural science. Research articles that address biopsychology of human development and behaviour, the genetical foundation of human behaviour, psychological well-being, health, and all related disciplines are also accepted for peer review and publication. The journal also serves to publish national and international conference proceedings, short notes, books and literature reviews. In this way, the journal serves to provide wide dissemination of scientific behavioural information globally. It is a medium to promote national and international cooperation amongst multidisciplinary researchers.