Biology, 27.02.2020 01:48 Echo009

Subjects in an experiment for an herbal cold medicine either receive a tea made from the herb, or a placebo tea. Their doctor also doesn't know which tea was distributed to which subject. This experiment is .

Answers: 3

Show answers

Other questions on the subject: Biology

Biology, 21.06.2019 20:00, zaratayyibah

Researchers randomly divide participants into groups. each group takes a different amount of omega-3 fatty acid supplements daily for a month. one group receives a placebo. the researchers measure the impact on cholesterol levels in the blood. what is the purpose of random assignment in this experiment? a, to produce treatment groups with similar characteristics b, to ensure that all people with high cholesterol have an equal chance of being selected for the study c, to increase the accuracy of the research results and prevent skewness in the data

Answers: 1

continue

Biology, 22.06.2019 09:00, moraleskarina491

Which best describes this behavior? it is beneficial only to the males that do not fertilize eggs. it is beneficial only to the female workers that are not fertilized. it is beneficial to each one of the individual colony members. it is beneficial to the whole species, but not to all of the individual members.

Answers: 2

continue

Biology, 22.06.2019 10:00, barbie1salome

Vessels draining the myocardium of the heart, open primarily ,into which chamber?

Answers: 2

continue

Biology, 22.06.2019 14:00, eden43

Compare the shapes of the bones of the human skull with the shapes of the bones of the human leg. how do the shapes differ? why are the shapes important?

Answers: 1

continue

You know the right answer?

Subjects in an experiment for an herbal cold medicine either receive a tea made from the herb, or a...