Human development (humanity) Development studies, social science which addresses issues of concern to developing countries Development geography, geography with reference to the standard of living and quality of life of human inhabitants Developmental psychology, the scientific study of systematic psychological, emotional, and perception changes over life spans Community development, the practices and academic disciplines to improve various aspects of local communities Sociocultural evolution, how cultures and societies have changed over time Economic development, the economic aspect of social change Human development (humanity), an international and economic development paradigm Human development theory, a theory that merges older ideas from ecological economics, sustainable development, welfare economics, and feminist economics Rural development, actions and initiatives taken to improve the standard of living in non-urban neighborhoods, countryside, and remote villages Social development, processes of change in societies