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
Y-DNA haplogroups in populations of the Near East Y-DNA haplogroups in populations of the Near East Listed here are notable ethnic groups and populations from Western Asia, North Africa and South Caucasus by human Y-chromosome DNA haplogroups based on relevant studies. The samples are taken from individuals identified with the ethnic and linguistic designations in the first two columns, the third column gives the sample size studied, and the other columns give the percentage of the particular haplogroup. (IE = Indo-European, AA = Afro-Asiatic) Some old studies conducted in the early 2000s regarded several haplogroups as one haplogrup, e.g. I, G and sometimes J were haplogroup 2, so