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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.
Answer:
The testing effects
Explanation:
Testing effects are finding a long term memory which improved by when some of the time is given to retrieving to be remembered information. It is also called retrieval practice, practice testing, or test enhanced learning. The testing effect is different from general information, practice test. This process is useful for people who want to test their memory. Through the testing effect, a person can improve their knowledge.
For example, a student can use flashcards or any practice st to judge his/ her knowledge.
D. horizontal
A seismograph records up-down (vertical), north-south, and east-west. It does not record horizontal motions.
