The migration of the Aryans to India was significant, because they expanded a huge empire spanning the whole of the Indian subcontinent and what is now modern-day Afghanistan and Iran. The Indo-Aryan languages are still spoken nowadays in India, Pakistan, Sri Lanka, Bangladesh, Nepal, Fiji and the Maldives. The Aryans also introduced the horse and chariot into the area. They established powerful kingdoms and principalities in the zone.
Answer: Validity and Reliability
Explanation: If a certain model of interview is structured to identify different types of disorders and it proves to be accurate, that means it has validity and reliability, meaning that it can be taken into consideration when trying to evaluate if a person classifies or not among the disorder clusters specified in such interview.
Selection bias
is a kind of error that occurs when the researcher decides who is going to be studied.
Answer:
The term is used in describing the amount of control or influence that consumers have on the market is sovereignty
Explanation: