Any practices should best be based on a research - this is the correct answer. (a. child development and research) Research is the best source of actual knowledge, rather than people's best guesses (people's best guesses might lead government regulations, but it would be better if they also followed research results.).
Answer:
The answer is ethnocentrism.
Explanation:
Ethnocentrism is defined as the idea that one's own culture is superior to others, especially regarding aspects such as culture, language and customs.
The phenomenon is believed to be a learned behaviour. It can be explained because a person that has resided in a certain country or area for a long time has probably acquired its predominant values and ideas. This is called acculturation.
Ethnocentism in the extreme can lead to hostile attitudes towards out-groups and discrimination.
Dhiki - used to grind rice, grains etc
jato - also used for grinding purposes
The answer is: "Protective" .
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