Trade unions are mainly concerned with negotiating agreements with employers on pay and/or conditions.
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.
Learn more about research here:brainly.com/question/968894
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A traditional Scandinavian story form are called sagas. Sagas<span> are stories mostly about ancient Nordic and Germanic history, about early Viking voyages, the battles that took place during the voyages, about migration to Iceland and of feuds between Icelandic families. </span>
Answer:
A revolution is a sudden, radical, or complete change. b : a fundamental change in political organization especially : the overthrow or renunciation of one government or ruler and the substitution of another by the governed.
Explanation:
The correct answer choices should be A.) The maniple was a flexible military unit and C.) The Roman soldiers built roads and bridges. Hope this helped!
