The correct answer is: B. Does not ensure privacy and anonymity of the respondent.
Research is not considered ethical if it does not ensure the privacy and anonymity of the respondent. This is because respondents have the right to privacy and to not have their personal information shared without their consent. If research does not ensure privacy and anonymity, it could lead to respondents being identified and their personal information being shared, which could have negative consequences for them.
Option A is incorrect because it is not unethical for research to try to prove a particular point. In fact, many research studies are designed to test a hypothesis or to prove a particular point. As long as the research is conducted ethically, it is not unethical for it to have a particular goal.
Option C is incorrect because it is not unethical for research to not investigate the data scientifically. In fact, many research studies use qualitative methods, which do not involve statistical analysis. As long as the research is conducted ethically, it is not unethical for it to not use scientific methods.
Option D is incorrect because it is not unethical for research to not be of a very high standard. In fact, many research studies are conducted by students or by researchers who are not experts in the field. As long as the research is conducted ethically, it is not unethical for it not to be of a very high standard.
In conclusion, the correct answer is: B. Does not ensure privacy and anonymity of the respondent.