To ensure that experimenter bias and research participant bias do not influence the results, Margaret should design a set of double-blind experiments.
<h3>What is research?</h3>
Research can be defined as the data or information collected by a researcher so as to draw or reach a conclusion.
Based on the information given she should design a set of double-blind experiments as the method will help to prevent any form of bias in her research results.
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Answer:
(4) President Washington created the two political parties.
Explanation:
This answer would be false, simply because Washington extremely discouraged the formation of political parties altogether. He predicted that it would only divide our great nation, and he was right.
<h2>Chinese dynasties only established cities near mountains, forcing other civilizations to trek through difficult terrain. D. Chinese dynasties were isolated from other civilizations for many years because of the Taklamakan Desert and Himalaya Mountains.</h2>
