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.
The size of the Atlantic slave trade dramatically transformed African societies. The slave trade brought about a negative impact on African societies and led to the long-term impoverishment of West Africa. This intensified effects that were already present amongst its rulers, kinships, kingdoms and in society.
The correct answer is C.
By definition, a bias is a systematic error that generates a distortion in the forecasted results. It can consist on an overestimating or underestimating a parameter.
For example, sampling bias appears when the sample obtained is not a proper representation of the underlying population.
People riding in the same car of a commuter train constitute a small group. FALSE
A railroad car specifically built to transport passengers is known as a passenger railroad car, or passenger car (United States), also known as a passenger carriage, passenger coach (United Kingdom and International Union of Railways), or passenger bogie (India). A sleeping car, a baggage car, a dining car, a railway post office, and a prisoner transport car can all be referred to as passenger cars. With the development of the first railroads in the early 1800s, modest, barely modified freight cars were built as the first passenger cars. Early passenger vehicles were made of wood; but, in the 1900s, steel and then aluminum were used in place of wood for increased robustness.
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