Margaret should create a series of double-blind studies to make sure that researcher bias and study participant bias do not affect the outcomes.
The data or information gathered by a researcher in order to make a conclusion is known as research.
She should create a series of double-blind trials based on the information provided, since the technique will aid in preventing any bias in her research findings.
Learn more about research here https://brainly.com/question/27819169
#SPJ10