Consumer behaviour Consumer behaviour Consumer behaviour is the study of individuals, groups, or organizations and all the activities associated with the purchase, use and disposal of goods and services, including the consumer's emotional, mental and behavioural responses that precede or follow these activities. Consumer behaviour emerged in the 1940s and 50s as a distinct sub-discipline in the marketing area. Consumer behaviour is an inter-disciplinary social science that blends elements from psychology, sociology, social anthropology, anthropology, ethnography, marketing and economics, especially behavioural economics. It examines how emotions, attitudes and preferences affect buying behaviour. Characteristics of individual consumers such as demographics, personality lifestyles and
MtDNA haplogroups in populations of South Asia MtDNA haplogroups in populations of South Asia Listed here are notable groups and populations from South Asia by human mitochondrial DNA haplogroups based on relevant studies. The samples are taken from individuals identified with linguistic designations (IE=Indo-European, Dr=Dravidian, AA=Austro-Asiatic and ST=Sino-Tibetan), the third column gives the sample size studied, and the other columns give the percentage of the particular haplogroup. The two most widespread MtDNA haplogroups in South Asia are Haplogroup M (of South Asian origin) and Haplogroup U (West Eurasian). "Note": The converted frequencies from some old studies conducted in the first decade of the 21st century may lead