I believe the answer is: independent variable
Independent variable is the type of variables which would be influenced by the control group that handled by the researchers. In every research Independent variable represent the things that the researchers want to measures through correlation with other factors.
I believe the answer is: the DSM-5.
the DSM-5 filled with standard classifications that professionals in psychological field can used to identify the type of illness that their patients have. With this classifications, we hoped that there would be less cases when different psychologists offered different conclusions and make the patients confused.
C.) Urban residents are twice as much as Rural residents
1) On the individuals:
Some individuals might get rich, but also sometimes arrested due to corruption.
Other individuals do not receive what they should receive, such as their pension money, if it was stolen by someone else.
2) On the society:
it hinders the development in a society, first by literally stealing tax money and then additionally due to the lack of trust in the officials
