As a behavioral science major, you will complete courses in research methods, social psychology, mathematics and anthropology. The behavioral science major may serve as a background for further study in law and medicine. Some schools may group criminal justice, psychology and anthropology together under the umbrella of a behavioral sciences department.
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The worldâs most spoken language by total speakers. Encyclopaedia Britannica suggests the following list, which seemingly combines native speakers with non-native speakers: 1  English (1,000 million). 2  Mandarin (1,000 million).3  Hindi/Urdu (900 milllion). 4  Spanish (450 million).5  Russian/Belarusian (320 million).his information, based on number of native speakers, comes from Ethnologue, a widely-respected encyclopaedia of the worldâs living languages. At the time of the last update, there were 7105 living languages, but that figure is likely to have decreased since then as languages become extinct.