multiple choice 1 point karen is researching the effects of a new sleep aid on insomnia. she gives one group…

multiple choice 1 point karen is researching the effects of a new sleep aid on insomnia. she gives one group of participants the new sleep aid (group a), and another group a sugar pill that looks identical - placebo (group b). which group represents the experimental group? group b no choices are correct group a
Answer
Brief Explanations:
In an experiment, the experimental group receives the treatment being tested. Here, Group A receives the new sleep - aid which is the treatment under investigation. Group B receives a placebo.
Answer:
C. Group A