Answer :
The steps that should be followed would be not knowing what was in the pill bottles and having them distributed in random order to the participants.
What is experimental research?
It corresponds to a scientific methodology for carrying out a research, where there is a hypothesis and a variable to be manipulated in an environment controlled by the researcher, in order to find a conclusion.
Therefore, as it was a double-blind experiment, the research assistant did not correctly follow the necessary procedures.
Find out more about experimental research here:
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