One advantage is that if successful, all the money goes to you. If you're a huge company with shareholders, then the people and the investors get some of the money the company makes. In a sole proprietorship, everything goes to you and then you can choose what to do with it.
Answer: Experimenter bias.
Explanation: Experimenter bias is the condition which describes a person as a part of experiment who is influencing the outcome of the experiment so that the desired or preferred results can be obtained.Experimenter bias is also known as research biasing.
The example mentioned in the question where Brian is conducting the study with sharing his views with the participants that he expects girls should perform better than boys in the experiment is example of experimenter bias.
The actual experiment should have been conducted without any thought sharing or acknowledgement which would have produced unbiased outcomes.But according to Brain's study, the expectations are conveyed ,therefore it will influence the result of the experiment as it becomes biased.
Granting titles of nobility
Permitting slavery
Denying citizens the right to vote due to race (colour) or previous servitude
Denying citizens the right to vote due to gender <span />
Because the people have never been united
